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October 22, 2014

Search: A magnetic field has a magnitude of 10 T.

Number of results: 10,798

Physics
An electron moves at a speed of 6.0 x 10^-6 perpendicular to a constant magnetic field. The path is a circle of radius 1.3 x 10^-3m. What is the magnitude of the field. Find the magnitude of the electron acceleration.
February 7, 2011 by Veronika

physics
A 0.2 kg conductor of length 0.8 m carries 2 ampere current to the right in a magnetic field. What is the magnitude and the direction of the magnetic field acting on the conductor if the net force on the rod is zero? (Assume that the rod is hung by two insulating supports.)
June 12, 2011 by unknown

Physics
A loop wire is in a magnetic field of 2T. What is the magnitude of the magnetic flux? 0.2 m B = 2T 30 degrees and n is pointing out of the page
August 3, 2009 by TJ

physics
A rectangular wire loop of dimensions a×b, with a=3.5 cm and b=4.5 cm, is pulled parallel to side a at a constant speed v=4.3 m/sec into a region where the magnetic field, |B|=0.125 T, is uniform and perpendicular to the loop. The loop enters the magnetic field at time t=0. (a...
April 6, 2013 by abdul rahman

Physics
An electron moves at a speed of 5.4 106 m/s perpendicular to a constant magnetic field. The path is a circle of radius 1.0 10-3 m. (a) What is the magnitude of the field? T (b) Find the magnitude of the electron's acceleration. m/s2
September 28, 2007 by Mary

Physics
1)A 0.050 m long wire is carrying a current of 2.0 A at right angles to a 0.15 T magnetic field. What is the magnitude of the force exerted by the magnetic field on the wire? F=ILB (0.050)(2.0)(0.15) 0.015 N 2)Which device is used to measure very small currents? galvanometer
April 11, 2008 by Jon

physics
A uniform magnetic field points North; its magnitude is 1.5 T. A proton with kinetic energy 8.0x10–13 J (5.0 MeV) is moving vertically downward in this field. What is the magnetic force acting on it? I have no idea where to start with this question, can I just have the formula...
November 23, 2010 by Trace

magentism
6.A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? b. What is the magnitude of the torque on the loop in ...
November 19, 2013 by anton

magnetism
A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque on the loop in N-m?
November 20, 2013 by James

electromagnets
A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque on the loop in N-m?
November 20, 2013 by Anton help needed

physics
A square loop of wire of side 2.8 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 43° with the plane of the loop. (a) What is the magnitude of the torque on the loop? (b) What is the net magnetic force on the loop?
May 13, 2014 by caroline

electricity and magnetism
A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque on the loop in N-m?
November 22, 2013 by Jason

Physics
A square loop of wire of side 3.0 cm carries 3.0 A of current. A uniform magnetic field of magnitude 0.67 T makes an angle of 37degree with the plane of the loop. What is the magnitude of the torque on the loop? What is the net magnetic force on the loop?
October 13, 2014 by Lala

Physics
The frequency of circular motion for a charged particle moving around in the presence of a uniform magnetic field does not depend on ... a)The radius of the circle b)The mass of the particle c) The charge of the particle d) The magnitude of the magnetic field e) Actually, it ...
March 13, 2010 by Johnny

magnetic field
A square loop with resistance R=0.001 Ohms,mass 1.0 gram, and side length 1.0 m is falling into a region of uniform magnetic field. The magnetic field has strength 1 Gauss and is pointing out of the page. The speed of the loop just before it enters the region with the uniform ...
June 7, 2010 by Physics

Physics
A 45-m length of wire is stretched horizontally between two vertical posts. The wire carries a current of 67 A and experiences a magnetic force of 0.15 N. Find the magnitude of the earth's magnetic field at the location of the wire, assuming the field makes an angle of 51.5° ...
April 1, 2013 by Anonymous

Physics 3
A 2.3-keV proton is moving horizontally and passes perpendicular to the Earth’s magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force on the proton? iii...
April 13, 2011 by Ziera

Physics 3
A 2.3-keV proton is moving horizontally and passes perpendicular to the Earth’s magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force on the proton? iii...
April 13, 2011 by Ziera

physics
A 0.0150-m wire oriented horizontally between the poles of an electromagnet carries a direct current of 9.5 A. The angle between the direction of the current and that of the magnetic field is 25.0° as shown. If the magnetic field strength is 0.845 T, what is the magnitude and...
May 6, 2010 by lakhvir

physics
There is a 0.225 T magnetic field directed along the +x axis and a field of unknown magnitude along the +y axis. A particle carrying a charge of 7.20 10-5 C experiences a maximum force of 0.455 N when traveling at a speed of 2 104 m/s through the region where the fields are. ...
February 10, 2008 by rick

Physics
An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle is h=1.7 cm. The ...
June 14, 2013 by Annoyingmous

Physics
An infinite straight wire carrying a current I=5 A flowing to the right is placed above a rectangular loop of wire with width w=11 cm and length L=27 cm, as shown in the figure below. The distance from the infinite wire to the closest side of the rectangle is h=1.7 cm. The ...
June 15, 2013 by Annoyingmous

physics-magnetsism
A conducting slider (thick line) moves without friction along a vertical U-shaped conducting track (thin line) in a magnetic field. When the switch has been closed for a long time, what is the magnetic field magnitude inside the inductor in Tesla?
December 6, 2013 by A.J.J

physics
A rectangular loop of wire with sides 0.196 and 0.584 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.723 T and is directed parallel to the normal of the loop's surface. In a time of 0.249 s, one...
February 6, 2013 by PLEASE HELP

Physics
An electrostatic force of 5 N exists between two identical point charges, each of mass 0.01 g, placed 4 mm apart. a.) Find the magnitude of each charge. b.) One of these charges is placed into a magnetic field. Assuming that the charge has a speed of 50 m/s and travels a ...
June 12, 2006 by Nathaniel

physics
The key ingredient in anything magnetic is which of the following?. A) moving electric charge.B) magnetic domains that are aligned C) pairs of magnetic poles.D) the surrounding magnetic field.E) magnetic polarization.
April 14, 2012 by Christy

Physics
Scroll all the way to the bottom in the link I'll provide below and there will be diagrams for which my questions/answers are based on. I'm having trouble applying the "right hand rule" to 1. c) Also, for 1.a) I think the magnetic field lines should go around the conductor (i....
June 10, 2013 by Alice

physics
The electron gun in a color TV accelerates the electrons through about 25,000 Volts. Estimate the acceleration of such an electron due to the magnetic field of the earth. Hint: In Atlanta, the Earth's magnetic field has a magnitude of about 5.2 X 10-5 T.
February 11, 2008 by anonymous

Physics
An isolated segment of wire of length L=4.50 m carries a current of magnitude i=35.0 A at an angle theta=50.3 degrees with respect to a constant magnetic field with magnitude B= 6.70E-2 T. What is the magnitude of the magnetic force on the wire? a) 2.66 N b) 3.86 c) 5.60 N d) ...
October 24, 2011 by Jessica

Physics
The Earth has an electric field with magnitude roughly 100 N/C at its surface. A) Assuming there is a point charge at the earth's center creating this field, how much charge does the earth posses? Treat the earth as a sphere of radius 6.37 * 10^6 m. B)As the earth orbits the ...
March 6, 2008 by jenish

physics
A proton, traveling with a velocity of 4.9 106 m/s due east, experiences a magnetic force that has a maximum magnitude of 7.4 10-14 N and a direction of due south. What are the magnitude and direction of the magnetic field causing the force?
February 26, 2014 by Dee

Physics
A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude ...
September 27, 2007 by Mary

physics
A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 5.50 103 N/C. Both fields point in the same direction. A positive 1.8-µC charge moves at a speed of 2.60 106 m/s in a direction that is perpendicular to both fields. Determine the ...
February 8, 2011 by aml

Physics
A charged particle moves into a region of uniform magnetic field B, goes through half a circle, and then exits that region. The particle is either a proton or an electron (you must decide which). It spends 155 ns in the region. a) What is the magnitude of B? b)If the particle ...
November 17, 2010 by LA

Physics
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.32 T. The field is then adjusted so that an electron will follow a circular path of the same radius when it is projected perpendicularly into the field with the same velocity that the proton ...
September 29, 2011 by Breanna

PHYSICS I NEED HELP
Consider free protons following a circular path in a uniform magnetic field with a radius of 1 meter. At t = 0, the magnitude of the uniform magnetic field begins to increase at 0.001 Tesla/second. Enter the tangential acceleration of the protons in meters/second^2: positive ...
December 11, 2013 by Aaka

physics
A proton with a speed of 3.5 × 10 6 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As indicated in the figure, a magnetic field exists between the plates, and it is perpendicular to the velocity of the proton. What must be the ...
March 9, 2011 by Anonymous

Physics
Due to friction with the air, an airplane has acquired a net charge of 1.70 10-5 C. The plane moves with a speed of 3.15 102 m/s at an angle with respect to the earth's magnetic field, the magnitude of which is 5.00 10-5 T. The magnetic force on the airplane has a magnitude of...
September 27, 2007 by Mary

physics
if the speed of the electron is 3.0x10^3 meters per second and the magnitude of the magnetic field is 3.0x10^5T then the value of the magnetic force is what?
April 28, 2010 by Anonymous

NOVACC
A circular loop of wire (radius = 6.0 cm, resistance = 40 miliamps) is placed in a uniform magnetic field that makes and angle of 30 degrees with the plane of the loop. The magnitude of the field changes with time according to B = 30 sin (20t)mT, where t is measured in s. ...
April 1, 2013 by J

PHYSICS
A circular loop of flexible iron wire has an initial circumference of 168cm , but its circumference is decreasing at a constant rate of 15.0cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00T , which is oriented ...
September 8, 2012 by sarah

physics
the magnetic force on a straight 0.15m segment of wire carrying a current of 4.5 A is 1.0 N. What is the magnitude of the component of the magnetic field that is perpendicular to the wire?
May 17, 2012 by ana

physics
A circular wire loop has radius R = 0.327 m and carries current i = 0.291 A. The loop is placed in the xy-plane in a uniform magnetic field pointing in the negative z direction with magnitude 3.83 T, as shown in the figure. a) Determine the magnitude of the loop’s magnetic ...
December 10, 2012 by Anonymous

Physics
Suppose that the electric field of an electromagnetic wave decreases in magnitude. Does the magnetic field increase, decrease, or remain the same? Account for your answer.
November 5, 2007 by Mary

physics
A long straight wire of radius R = 1 cm carries a total current I = 1 Amp which flows uniformly through the cross-section of the wire. Draw a diagram of this wire and the current and the magnetic field which is produced. Using Ampere’s law solve for the magnitude of the ...
March 11, 2010 by joshua

physics
A magnetic field is perpendicular to the plane of a single turn circular coil. The magnitude of the field is changing so that the emf of 0.80 V and a current of 3.2 A are induced in the coil. The wire is then re-formed into a single turn square coil, which is used in the same ...
October 8, 2009 by sandy

physics
Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of the orbit. A ...
July 24, 2011 by Kayla

Physics
A 200-loop coil of cross sectional area 8.5 lies in the plane of the paper. Directed out of the plane of the paper is a magnetic field of 0.06 T. The field out of the paper decreases to 0.02 T in 12 milliseconds. (a) What is the magnitude of the change in magnetic flux ...
March 12, 2013 by Liz

kw university
You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission wire is about 11 above the ground. The local power company tells you that the line operates at 16 and provide a maximum of 83 to the local area. ...
May 20, 2012 by mma

Physics
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an electric field. The magnetic field is B = (1 x - 2 y + 4 z)T. If the electron experiences no force as it moves, calculate the electric field.
March 21, 2013 by Lindsey

Physics
An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an electric field. The magnetic field is B = (1 x - 2 y + 4 z)T. If the electron experiences no force as it moves, calculate the electric field.
March 21, 2013 by Lindsey

college
Two copper rings are dropped from a region where no magnetic field exists into a region where a strong magnetic field exists. The rings are identical except for a break in one of them. What can happen to the rings' motion as they fall through the magnetic field?
April 13, 2010 by Jordan

physics help please
Considerable scientific work is currently underway to determine whether weak oscillating magnetic fields such as those found near outdoor power lines can affect human health. One study indicated that a magnetic field of magnitude 1.0 10-3 T, oscillating at 60 Hz, might ...
March 31, 2008 by Chris Adison

physics
Two long, parallel conductors, separated by 14.0 cm, carry currents in the same direction. The first wire carries current I1 = 6.00 A, and the second carries I2 = 8.00 A Assume the conductors lie in the plane of the page. (a) What is the magnitude of the magnetic field created...
November 5, 2013 by taylor

SIMPLE physics!!!!!!
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no electric field is ...
April 18, 2013 by HELP ME...uRGENT!

KUSSSESSS
Consider a wire of length L = 0.30 m that runs north-south on a horizontal surface. There is a current of I = 0.50 A flowing north in the wire. (The rest of the circuit, which actually delivers this current, is not shown.) The Earth's magnetic field at this location has a ...
February 2, 2011 by anip

Physics
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.63 V and a current of 2.7 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same ...
May 14, 2012 by M

The Ohio State University
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.74 V and a current of 3.8 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same ...
May 14, 2012 by Ryan

Physics
A charged particle, passing through a certain region of space, has a velocity whose magnitude and direction remain constant. (a) If it is known that the external magnetic field is zero everywhere in this region, can you conclude that the external electric field is also zero? ...
November 5, 2007 by Mary

Physics
A loop wire is in a magnetic field of 2T. What is the magnitude of the magnetic flux? 0.2 m radius B = 2T 30 degrees and n is pointing out of the page Ok so BAcos(30) B= 2T A= 3.14 r^2 for a circle right? (3.14)(0.2)^2 cos(30) 2T(3.14)(0.2)^2(cos(30))= 0.0335 and the answer is...
August 4, 2009 by TJ

Physics
The coil used to measure the movements of a blowfly as described having a diameter of 2 mm, in addition the blowfly is immersed in a magnetic field of magnitude .15 mT. Find the maximum magnetic flux of one of the coils?
March 10, 2011 by Bill

Physics
A beam of protons is accelerated through a potential difference of 0.745 kV and then enters a uniform magnetic field traveling perpendicular to the field. (a) What magnitude of field is needed to bend these protons in a circular arc of diameter 1.75 m? (b) What magnetic field ...
February 25, 2008 by J

Physics
An electron that has velocity v = (3 x 105 m/s) and moves along positive x direction through the uniform magnetic field B = (0.8T) which is along the positive z direction. a. Find the force on the electron (magnitude and direction). (e = - 1.6 x 10-19 C, m=9.1 x10-31 kg) b. ...
April 25, 2011 by asif

Physics-Please check
Electricity may be generated by rotating a loop of wire between the poles of a magnet. The induced current is greates when: a.Plane of loop makes an angle 45 degrees with the magnetic field b.The plane of the loop is parallel to the magnetic field c.The plane of the loop is ...
May 2, 2011 by Annie

Physics
An electron moving along the positive x axis perpendicular to a magnetic field experiences a magnetic direction in the negative y direction. What is the direction of the magnetic field?
April 2, 2008 by Jessica

Physics
A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic field. Find the expression...
November 13, 2011 by Jasmine

Physics
A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic field. Find the expression...
November 13, 2011 by Jasmine

Physics
A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic field. Find the expression...
November 13, 2011 by Jasmine

Physics
A square conducting loop with sides of length L is rotation at a constant angular speed of, w (omega), in a uniform magnetic field of magnitude B. At time t=0, the loop is oriented so that the direction normal to the loop is aligned with the magnetic field. Find the expression...
November 14, 2011 by Jasmine

Physics
A five-sided object, whose dimensions are shown in the figure, is placed in a uniform magnetic field. The magnetic field has a magnitude of 0.72 T and points along the positive y direction. Determine the magnetic flux through each of the five sides. picture can be found on ...
October 19, 2013 by Sarah

Physics
The magnetic force on a straight wire .69 m long is 1.5 x 10^-3 N. The current in the wire is 16.9 A. What is the magnitude of the magnetic field that is perpendicular to the wire?
February 27, 2012 by Doryn

physics
A high-voltage power line carries a current of 120 A at a location where the Earth's magnetic field has a magnitude of 0.577 G and points to the north, 70.8° below the horizontal. Calculate the magnitude of the magnetic force exerted on a 258 m length of wire if the current in...
October 11, 2010 by VJC

Physics
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.93 V and a current of 2.7 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same ...
February 17, 2011 by Emily

PHYSICS 2
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.98 V and a current of 2.1 A are induced in the coil. The wire is then re-formed into a single-turn square coil, which is used in the same ...
February 10, 2013 by PLEASE HELP

physics
Which of the following is correct for the charge in a magnetic field? Choose one answer. a. A stationery charge can experience a force in a magnetic field. b. A moving charge parallel to the direction of the magnetic field can experience a force. c. A moving charge ...
June 4, 2011 by ashley --- HELP PLEASEE!!!

physics
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no electric field is ...
April 21, 2013 by help

Physics
Help me with this please A 6.0 m section of wire carries a current of 5.2 A from east to west in the earth's magnetic field of 1.0 × 10^-5 T at a location where the magnetic field points south. In which direction does the magnetic force act on the wire? north south up down
June 4, 2014 by Me and I

Physics repost
A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude ...
September 29, 2007 by Mary

physics
A magnetic field is applied to the plain of a flat coil of copper wire. The time variation of the magnetic flux density is given by Bosinwt.At which of the following values of t is the magnitude of the emf induced in the coil a maximum.(a)T/8(b)3T/8(c)3T/4(d)T/2
September 28, 2013 by Roy

Physics
At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by </S/>=1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal wave...
May 8, 2013 by amit sharma

Physics
At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by </S/>=1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal wave...
May 13, 2013 by Rohan

Physics :(( help please TT
A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no electric field is ...
April 16, 2013 by OIan

Physics
A magnetic field is perpendicular to the plane of a single-turn circular coil. The magnitude of the field is changing, so that an emf of 0.93 V and a current of 2.7 A are induced in the coil. The wire is the re-formed into a single-turn square coil, which is used in the same ...
February 18, 2011 by Emily

Physics (urgent please)
Two parallel wires are carrying 5A and are separated by 2.0 m. if the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them? Someone please help as I can't figure out the question. Thanks, They are asking for the field between ...
June 20, 2007 by James P.

Physics to Elena
At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by </S/>=1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal wave...
May 14, 2013 by Rohan

Physics
An electric generator contains a coil of 100 turns of wire, each turn forming a rectangular loop 50cm by 30cm. The coil is placed entirely in a uniform magnetic field with magnitude, B = 3.5T and direction initially perpendicular to the coil's plane. What is the maximum value ...
November 24, 2010 by Ri

physics induced voltage
I was given an equation by bobpursey but I dont know what it means. Considerable scientific work is currently underway to determine whether weak oscillating magnetic fields such as those found near outdoor power lines can affect human health. One study indicated that a ...
March 30, 2008 by Chris Adison

physics
In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
April 14, 2012 by Phillip

physics
In any region of space where a magnetic field is changing in time, there is which of these?. A) None of these.B) induced electric field, also changing in time.C) All of these.D) even larger magnetic field.E) induced gravitational field.
April 15, 2012 by Phillip

Physics
There are two situations in which it possible for a charged particle to be in a magnetic field but not experiencing a magnetic force. What are they? Given that Fm=qVBsintheta, I am going to say 1. If the particle is NOT in motion. 2. The direction of currect and the direction ...
December 7, 2009 by Connor

Physics 2
List and explain briefly five magnetic devices found in the popular culture Are stationary charges affected be a magnetic field? What determines the direction of the magnetic force on a moving charge? What is the cause of all magnetic fields?
July 28, 2014 by seanmarch58

Physics
If a proton is moving in a magnetic field with a speed of 4 × 106m/s and is executing uniform circular motion with a radius of 10 cm, what is the magnetic field?
March 21, 2013 by Lindsey

physics, science
if proton is fired from west is moved to north by magnetic field what is direction of magnetic field
September 9, 2012 by alpana

physics
proton and electron enters in magnetic field at an angle 30 degree .find the radius and time period in terms of magnetic field
July 13, 2012 by magnetism

Physics
Can an electron at rest in a magnetic field be set into motion by the magnetic field? What if it were at rest in an electric field?
March 29, 2011 by Nikki

physics
An unknown magnetic field produces a set of lines for a transition from a state with l = 3 to one with l = 2, between which there is a maximum energy difference of 6.1x10-4 eV. How many lines are there? What is the magnitude of the field?
May 20, 2011 by alice

Physics
A uniform magnetic field points north; its magnitude is 3.5 T. A proton with kinetic energy 6.0 × 10-13 J is moving vertically downward in this field. What is the magnetic force acting on it? This is what I've done. The answer is incorrect. Please help me find out why. 3.5T to...
September 22, 2010 by Sar

Physics
A solenoid with 200 turns and a cross sectional area of 60 cm^2 has a magnetic field of .60 T along its axis. If the field is confined within the solenoid and changes at a rate of .20 T/s, the magnitude of the induced potential difference in the solenoid will be: a) .00020V b...
November 13, 2011 by Jasmine

Physics
A long coaxial cable consists of two concentric conductors. The inner conductor is a cylinder with radius R_1, and it carries a current I_0 uniformly distributed over its cross section. The outer conductor is a cylindrical shell with inner radius R_2 and outer radius R_3. It ...
April 5, 2013 by Phy

physics
Consider the process of charging a parallel plate capacitor with circular plates of radius R=5 cm separated by a distance d=0.2 cm. At some time t1, the capacitor is being charged with a current I=0.075 A. Consider a point P on the plane which is equally distant from the two ...
April 12, 2013 by dd

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