Friday
October 31, 2014

Search: A long straight wire carries the same current you found in part a. At what distance from the wire is the magnetic field 2.2 ?

Number of results: 65,868

Physics
The wire in the drawing carries a current of 14 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 33 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 1.0 m from the wires when ...
February 12, 2012 by Mareena

Physics
The wire in the drawing carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 28 A. Use Ampere's law to find the magnitude of the magnetic field at a distance of r = 0.76 m from the wires when...
February 25, 2013 by Anonymous

College physics
The magnetic field at the center of a 0.70-cm-diameter loop is 2.4 mT. What is the current in the loop? A long straight wire carries the same current you found in part a. At what distance from the wire is the magnetic field 2.4 mT?
July 26, 2010 by monique

Physics 2
The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampre's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires ...
March 2, 2011 by Kellsey

Physics 2
The wire in the figure below carries a current of 13 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 26 A. Use Ampre's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires ...
March 2, 2011 by Kellsey

Physics 2
The wire in the figure below carries a current of 12 A. Suppose that a second long, straight wire is placed right next to this wire. The current in the second wire is 30 A. Use Ampre's law to find the magnitude of the magnetic field at a distance of r = 0.72 m from the wires ...
February 13, 2012 by Anne

physics
A long, straight wire lies on a horizontal table and carries a current of 3.05 A. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 3.00 104 m/s at a distance d above the wire. Ignoring the magnetic field due to the Earth, ...
December 4, 2012 by Anonymous

physic
A long straight horizontal wire carries a current = 3.90 A to the left. A positive 1.00 C charge moves to the right at a distance 1.50 m above the wire at constant speed v = 5000 m/s. What is the magnitude of the magnetic field at the location of the charge due to the current-...
March 8, 2012 by john

physics
The magnitude of the magnetic field produced by a long straight current-carrying wire is: proportional to both the current in the wire and the distance from the wire proportional to the current in the wire and inversely proportional to the distance from the wire inversely ...
March 17, 2014 by lilly

physics
A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?
February 25, 2011 by Lia

physics
A horizontal wire carries a large current. A second wire carrying a current in the same direction is suspended below it.Can the current in the upper wire hold the lower wire in suspension against gravity?
February 25, 2011 by Lia

physics
A long straight wire is oriented in the z direction and carries a current I. A square loop with sides of length w is in the xz-plane with its nearest edge a distance d from the wire. In time of t, the square loop moves a distance of l closer to the wire. What is the emf ...
November 11, 2008 by sarah

physics
A wire with circular cross-section of radius 1mm carries a current of The speed of the carriers inside the wire is What is the current density in the wire? the charge density in the wire and how long it takes for an Avogadros number of charges to emerge from the wire.
October 16, 2014 by JAY Z

Physics concept question
A long straight horizontal wire carries a current I = 2.10 A to the left. A positive 1.00 C charge moves to the right at a distance 4.50 m above the wire at constant speed v = 2250 m/s. What are the magnitude and the direction of the magnetic force on the charge? h t tp:// ...
March 7, 2011 by Robert

college physics
A 4m long copper wire has a diameter of 2mm and carries a current of 10A. Determine the ff: a. current density in the wire b. electric field c. potential difference between the ends of the wire d. resistance of the wire
February 25, 2013 by Zell

physics
A long, vertical, straight wire carries a current I going upwards. The wire is perpendicular to the plane of a circular metal loop and passes through the center of the loop. The loop is allowed to fall and maintains its orientation with respect to the straight wire while doing...
July 28, 2010 by josh

PHYSICS
A long, straight wire lies on a horizontal table and carries a current of 1.45 A. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 3.00 104 m/s at a distance d above the wire. Determine the value of d. Ignore the magnetic field ...
May 26, 2010 by Physics

Physics
A 550 turn solenoid is 15 cm long. The current in it is 33 A. A 3.0 cm long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 22 A current downward( and is connected by other wires that dont concern us). What is the force on this wire...
March 2, 2008 by jenish

Physics
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.
April 8, 2013 by bud

physics
A long horizontal wire carries a current of 48A . A second wire, made of 2.6mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15cm below(Figure 1) . Determine the magnitude of the current in the lower wire.
April 8, 2013 by bud

physics
A 570-turn solenoid is 19cm long. The current in it is 32A . A 2.0cm -long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 27A current downward (and is connected by other wires that don't concern us). What is the force on this wire ...
April 8, 2013 by bud

physics
A 570-turn solenoid is 19cm long. The current in it is 32A . A 2.0cm -long straight wire cuts through the center of the solenoid, along a diameter. This wire carries a 27A current downward (and is connected by other wires that don't concern us). What is the force on this wire ...
April 8, 2013 by bud

physics
A long, straight wire has a 12.1 A current flowing in the positive x-direction, as shown in the figure. Close to the wire is a square loop of copper wire that carries a 2.23 A current in the direction shown. The near side of the loop is d = 57.1 cm away from the wire. The ...
December 10, 2012 by Anonymous

Physics
Two straight and parallel wires of length 1.0 m carry a current - the first carries a currecnt of 9.0 A while the other wire carries a current of 4.0 A. What distance must separate the two straight and parallel copper wires if the force between them is to be 6.0 x 10-6 N? My ...
December 8, 2010 by Jim

AP Physics
A long, straight wire carries a current of 740 mA. A thin metal rod 45 cm long is oriented perpendicular to the wire and moves with a speed of 1.8 m/s in a direction parallel to the wire. What are the size and direction of the emf induced in the rod if the nearest point of the...
April 9, 2011 by Martina

physics
Two insulated wires, each 2.70 m long, are taped together to form a two-wire unit that is 2.70 m long. One wire carries a current of 7.00 A; the other carries a smaller current I in the opposite direction. The two wire unit is placed at an angle of 77.0 relative to a magnetic...
February 26, 2014 by Dee

Physics - Verification
Two long straight parallel wires separated by a distance of 20 cm carry currents of 30 A and 40 A in opposite directions. What is the magnitude of the resulting magnetic field at a point that is 15 cm from the wire carrying the 30-A current and 25 cm from the other wire? So I ...
August 12, 2012 by Robert

Physics
A wire of radius R carries a non-uniform current: the current density, j, (current per unit area) varies as a function of distance r from the central axis of the wire according to j = j0(R/r) (and j = 0 outside the wire, of course). Find expressions for the strength of the ...
November 12, 2008 by Anonymous

Physics
A long, straight wire carries a current of 48 A. The magnetic field produced by this current at a certain point is 6.5 10-5 T. How far is the point from the wire?
September 26, 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 Amperes law solve for the magnitude of the ...
March 11, 2010 by joshua

Physics
A 2.00 cm x 2.00 cm square loop of wire with resistance 1.3010^−2 Ohms is parallel to a long straight wire. The near edge of the loop is 1.00 cm from the wire. The current in the wire is increasing at the rate of 110 A/s. What is the current in the loop?
April 13, 2008 by Manda

Physics
One long wire carries current 26.0 A to the left along the x axis. A second long wire carries current 68.0 A to the right along the line (y = 0.280 m, z = 0). Where in the plane of the two wires is the total magnetic field equal to zero?
August 15, 2013 by Emily

Physics
A square loop 10cm on a side carries a current I' = 1A, and is placed 10cm away from a long,straight wire of current I = 10A, which is in the plane of the loop. Calculate the net force on the loop (in Newtons). Is the loop attracted to or repelled from the straight wire?
October 29, 2012 by Zom

Physics
A rectangular loop of wire, L = 26.2 cm and W = 15.4 cm, carries a I1 = 1.83 A current and lies in a plane (d = 13.6 cm), which also contains a very long straight wire carrying a I2 = 10.5 A current. I used this equation: F1+F2 = mu0*I1*I2*0.262/(2pi)*(1/0.136-1/0.290)=2.57*10...
March 24, 2012 by josh

Physics
A large spool in an electrician's workshop has 52 m of insulation-coated wire coiled around it. When the electrician connects a battery to the ends of the spooled wire, the resulting current is 2.3 A. Some weeks later, after cutting off various lengths of wire for use in ...
April 1, 2013 by Drue

Physics
A thin straight wire 20 cm in length carries a charge of one microcoulomb. Calculate the electric intensity and potential at a point P on the axis of the wire at a distance of 30 cm from the mid point of the wire.
September 16, 2014 by Atanu

Physics
A 5.30-C charge is moving with a speed of 9.30 x 104 m/s parallel to a very long, straight wire. The wire is 6.60 cm from the charge and carries a current of 87.0 A. Find the magnitude of the force on the charge.
October 29, 2011 by Kristi

Physics
A 5.30-C charge is moving with a speed of 9.30 x 104 m/s parallel to a very long, straight wire. The wire is 6.60 cm from the charge and carries a current of 87.0 A. Find the magnitude of the force on the charge.
October 29, 2011 by Kristi

Physics
A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true. a) The wire will be ...
November 14, 2010 by Katie

physics
Two straight and parallel wires of length 1.0 m carry a current the first carries a current of 9.0 A while the other wire carries a current of 4.0 A. What distance must separate the two straight and parallel copper wires if the force between them is to be 6.0 10−6 N?
June 9, 2014 by grey

Physic please check
A +6.00 C charge is moving with a speed of 7.00 x 10^4 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 63.0 A in a direction opposite to that of the moving charge. Find the magnitude and direction of the force on the ...
November 5, 2007 by Mary

magnetism
A straight copper wire that is 1 millimeter in diameter carries a current of 20 milliamps. What the magnitude of the largest magnetic field created by this wire in Tesla?
December 18, 2013 by Hans

Physics
Two long straight wires are perpendicular to the page and located at distances d1 = 2 cm and d2 = 3.5 cm from the origin. Wire 1 carries current 5 A out of the page. If the net magnetic field due to the two currents is at an angle of 45 degrees to the x-axis at the origin, ...
November 12, 2012 by Jasmine

Physics
A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla?
December 12, 2013 by Anonymous

magnets
A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whats the magnitude of the largest magnetic field created by this wire in Tesla?
December 18, 2013 by anton

physics
A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla?
December 18, 2013 by akameno

PHYSICS
A long-straight wire carries a current and is aligned with the North-South direction. You place a compass 4 cm directly above the wire and above the North/East/South/West plane. The compass needle, which initially pointed North (far away from the wire) is now deflected by 20o ...
October 17, 2012 by Alysse

physics
Consider two copper wires with the same cross-sectional area. Wire A is twice as long as wire B. How do the resistivities and resistances of the two wires compare? CHECK ALL THAT APPLY Wire A and wire B have the same resistance. Wire A has twice the resistivity of wire B. Wire...
February 7, 2014 by Anonymous

magnetism!!
A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla? pls help :(
December 18, 2013 by akameno

physics numerical
a long horizontal wire is rigidly placed, carrying a current of 50a. another parallel long wire carrying a current of 40a is just supported above it.determine the distance between them at which the upper wire can be just supported by magnetic repulsion itself.(weight of upper ...
October 20, 2011 by brock

physics 2
A long wire carries a current of 1 ampere.Find the magnitude of the magnetic field 2 meter away from the wire.
September 24, 2012 by ace

College Physics
A very long wire carries an I1 = 7.80 A current along the x axis and another long wire carries an I2 = 5.13 A current along the y axis. (I2 is directed upward on the y axis, and I1 is directed to the right on the x axis) What is the magnetic field at point P located at x = 4....
February 23, 2014 by Amanda

physics
Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm, its speed is 3.10E+6...
January 27, 2010 by jaredd

college physics
Consider a long charged straight wire that lies fixed and a particle of charge +2e and mass 6.70E-27 kg. When the particle is at a distance 1.31 cm from the wire it has a speed 2.30E+5 m/s, going away from the wire. When it is at a new distance of 2.71 cm, its speed is 3.10E+6...
January 27, 2010 by jibjab

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
Two very long, straight, parallel wires carry currents that are directed perpendicular. Wire 1 carries a current I1 into the page (in the -z direction) and passes through the x axis at x = +a. Wire 2 passes through the x axis at x = -2a and carries an unknown current I2. The ...
April 9, 2011 by Rachel

physics
Two wires are made of the same material. The first wire dissipates power P with a current of I. If the second wire is 3 times as long and has twice the diameter, what will the current need to be through the second wire to dissipate the same power P as the first wire? A ...
June 3, 2014 by dominic hart

Physics
A copper wire 0.40m long carries a current of 6.0A and weighs 0.35N. What strenght magnetic field is required to balance the weight of the wire?
May 5, 2010 by Javier

college physics
A long, straight, cylindrical wire of radius R carries a current uniformly distributed over its cross section. 1. At what location is the magnetic field produced by this current equal to quarter of its largest value? Consider points inside the wire. 2.At what location is the ...
March 7, 2013 by Anonymous

physics
A wire of length 11 cm carries a current of 1.1 A. When the wire is placed so that the current passes through the wire along the positive x direction, the force on the wire due to an external magnetic field B is measured to be -(0.04 N)j. When the wire is moved so the current ...
February 27, 2010 by Sandhya

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

11th grade Physics
A long,straight current-carrying wire runs from north to south. A) A compass needle placed above the wire points with its N-pole toward the east. In what direction is the current flowing? B) If a compass is put underneath the wire, which direction will the compass neddle point?
May 5, 2010 by David Nipp

physics
A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks
March 27, 2011 by Rachel

physics
A copper wire has a circular cross section with a radius of 3.75 mm. If the wire carries a current of 4.00 A, find the drift speed of the electrons in the wire. (Assume the density of charge carriers (electrons) in a copper wire is n = 8.46 *10^28 electrons/m^3.) thanks
March 27, 2011 by Rachel

physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B?
November 13, 2013 by Anton

Physics
A long, straight wire carrying a current of 317 A is placed in a uniform magnetic field that has a magnitude of 7.69 10-3 T. The wire is perpendicular to the field. Find a point in space where the net magnetic field is zero. Locate this point by specifying its perpendicular ...
February 25, 2013 by Anonymous

Physics
Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by : a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
September 24, 2014 by Anonymous

Physics
Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
September 24, 2014 by Anonymous

Physics
A -6.00 C charge is moving with a speed of 6.60 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 73.0 A in a direction opposite to that of the moving charge. Find the magnitude and direction of the force on the charge.
February 6, 2012 by DCM

Physics (PLEASE HELP)
A -6.00 C charge is moving with a speed of 6.60 104 m/s parallel to a very long, straight wire. The wire is 5.00 cm from the charge and carries a current of 73.0 A in a direction opposite to that of the moving charge. Find the magnitude and direction of the force on the charge.
February 7, 2012 by DCM

physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...
November 14, 2013 by Anonymous

Electricity help needed please
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the power delivered to wire A to the power delivered to wire B? ...
November 15, 2013 by Abdu

magnetism
infinitely long wire carries a current I100A. Below the wire a rod of length L 10cm is forced to move at a constant speed v=5m/s long horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R 0.4ohms. The rails have neglibible ...
December 17, 2013 by james

physic
The resistivity of gold is at a temperature of 20C. A gold wire, 1.8 mm in diameter and 14 cm long, carries a current of 480 ma. The power dissipated in the wire is closest to:
August 4, 2010 by paul

Physics
Two long parallel wires separated by a distance, d, carry currents in opposite directions. If the left-hand wire carries a current i/2, and the right-hand wires carries a current i, determine where the magnetic field is zero.
October 20, 2011 by Jessica

Physics
Two current carrying wires cross at right angles as indicated in the figure. If the wires are not restrained, what statement best describes the motion of the wires? Hint: To help you visualize the situation, draw first the magnetic field that Wire 1 makes at the points shown ...
March 15, 2010 by mm.

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
If a metal wire carries a current of 79 . 0 mA, how long does it take for 7.90 10 20 electrons to pass a given cross-sectional area anywhere along the wire? The fundamental charge is 1 . 602 10 − 19 C. Answer in units of s
May 21, 2013 by scott

UTA
A vertical straight wire carrying an upward 35 current exerts an attractive force per unit length of 8.010−4 on a second parallel wire 7.5 away. What current (magnitude and direction) flows in the second wire?
March 5, 2013 by Wilwit1l

magnetic field
A straight copper wire that is 1 milimeter in diameter carries a current of 20 miliamps. Whas the magnitude of the largest magnetic field created by this wire in Tesla?
December 16, 2013 by marie

physics
If a metal wire carries a current of 130 mA, how long does it take for 3.5010 20 electrons to pass a given cross-sectional area anywhere along the wire? The magnitude of the charge on an electron is 1.6 10 −19 C. Answer in units of s.
February 22, 2011 by bre

physics
Two spherical conducting wires A and B are connected to the same potential difference. Wire A is three times as long as wire B, with a radius double that of wire B and resistivity doubles that of wire B. What is the ratio power delivered to wire A to the power delivered to ...
November 13, 2013 by Anonymous

Physics
Two current carrying wires cross at right angles (like a + sign). Wire 1 has current directed horizontally to the left. Wire 2 has current directed vertically up. If the wires are not restrained, what statement best describes the motion of the wires? A) Wire 1 moves out of the...
March 13, 2010 by Jane

physics
A tungsten wire has a radius of 0.077 mm and is heated from 20.0 to 1205 C. The temperature coefficient of resistivity is α = 4.5 10-3 (C)−1. When 110 V is applied across the ends of the hot wire, a current of 1.3 A is produced. How long is the wire? Neglect any ...
January 27, 2014 by Dee

physics please help??
I know how to do this problem, but I am having a difficult time figuring out the distance . I thought that from wire 1 to P2 the distance is 45 cm, and the distance from wire 2 to the p2 the distance is 35 cm. However, I believe I am wrong, can someone please explain o me ...
October 27, 2012 by henry

physics
A wire that is 630 m long is perpendicular to a 0.31 T magnetic field. A 1.8 N force acts on the wire. What current is in the wire?
March 10, 2013 by Jeff

physics
The force acting on a wire that is at right angles to a(n) 0.80 T magnetic field is 2.1 N. The current in the wire is 6.7 A. How long is the wire?
March 10, 2013 by Jeff

physics
A wire 453 m long is in a 0.2 T magnetic field. A 2.56 N force acts on the wire. What current is in the wire? Answer in units of mA
March 4, 2012 by h

physics
A wire that is 46 cm long is parallel to a 0.54 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire?
March 10, 2013 by Jeff

physics
A wire that is 46 cm long is parallel to a 0.54 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire?
March 11, 2013 by Billy

Physics
Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What is the value of ...
December 12, 2013 by roami

Physics
Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current Io=200A going into the page. A third thin, infinitely long wire with mass per unit length λ=5g/m carries current I going out of the page. What is the value of ...
December 12, 2013 by Anonymous

physics
A wire of length 0.655 m carries a current of 21.0 A. In the presence of a 0.470-T magnetic field, the wire experiences a force of 5.46 N. What is the angle (less than 90) between the wire and the magnetic field?
November 10, 2009 by Anonymous

PHYSICS
Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current I_0=200A going into the page. A third thin, infinitely long wire with mass per unit length lambda=5g/m carries current I going out of the page. What is the value of ...
December 15, 2013 by Lora

Physics
Two thin, infinitely long, parallel wires are lying on the ground a distance d=3cm apart. They carry a current I_0=200A going into the page. A third thin, infinitely long wire with mass per unit length lambda=5g/m carries current I going out of the page. What is the value of ...
December 16, 2013 by Lora

sanches
A wire carries a 15 microampere current. How many electrons pass a given point on the wire in 1.0 ?
September 28, 2009 by josh

physics
A wire carries a 15 microampere current. How many electrons pass a given point on the wire in 1.0 ?
September 28, 2009 by josh sanches

Physics
An infinitely long wire carries a current I=100A. Below the wire a rod of length L=10cm is forced to move at a constant speed v=5m/s along horizontal conducting rails. The rod and rails form a conducting loop. The rod has resistance of R=0.4ohms. The rails have neglibible ...
December 12, 2013 by Anonymous

11th grade
A wire 28 cm long is parallel to a 0.36 T uniform magnetic field. The current through the wire is 4.5 A. What force acts on the wire? What equation do you use?
March 23, 2010 by Physics

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members