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Magnetic Fields
Page 4
Questions (421)
an. Electron travels in a circular orbit of radius 0.5 a and frequency of 5.5*10^7hz. Findthe magnetic field produced At center
1 answer
asked by
A
338 views
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a
2 answers
asked by
cr
654 views
A heavy conductor (mass m, length `, resistance R) is suspended by two springs each with spring constant k, and connected to a
3 answers
asked by
cr
563 views
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
1 answer
asked by
Sar
519 views
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
1 answer
asked by
monique
1,207 views
An electron orbits a proton at a radius of 5.38 10-11 m. What is the magnitude of the magnetic field at the proton due to the
2 answers
asked by
Anonymous
893 views
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
2 answers
asked by
Physics
525 views
A long,straight current-carrying wire runs from north to south.
A) A compass needle placed above the wire points with its N-pole
1 answer
asked by
David Nipp
947 views
Consider the current-carrying wires in the figure.
Both cases consist of long straight wires carrying a current I. In both cases,
4 answers
asked by
Stephanie
526 views
Two long, parallel wires separated by 50 cm each carry currents of 3.0 A in a horizontal direction.
Find the magnetic field
2 answers
asked by
Lanise
1,347 views
You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission
1 answer
asked by
physics help
818 views
When does a magnetic field induce maximum EMF in a wire moving with a constant velocity?
A. When the wire is moved at an angle of
2 answers
asked by
sophie
663 views
I have a right angled triangle hyp=10,and angle=60deg.I need to find how much magnetic field in Tesla passes through the hyp(ie
1 answer
asked by
kyley
403 views
in what position can a current-carrying loop of wire be located in a magnetic field so that it doesn't tend to rotate?
-I think
3 answers
asked by
Soly
1,073 views
A piece of copper wire has a resistance per unit length of 6.50 10-3 /m. The wire is wound into a thin, flat coil of many turns
2 answers
asked by
Mary
489 views
Two parallel wires are carrying 5A and are separated by 2.0 m. if the currents are in opposite directions, what is the magnitude
1 answer
asked by
James P.
445 views
In the product F = qv · B , take q = 4,
v = 2.0i + 4.0j + 6.0k and F= 136i -176j + 72k. What then is in unit-vector notation if
1 answer
asked by
sam
417 views
In the product F = qv · B , take q = 4,
= 2.0i + 4.0j + 6.0k and = 136i -176j + 72k. What then is in unit-vector notation if Bx
3 answers
asked by
sam
2,619 views
In the product F(vector)=q(V(vector)xB(vector), take q = 4,
V(vector)= 2.0i + 4.0j + 6.0k and F(vector)= 136i -176j + 72k. What
1 answer
asked by
sam
1,130 views
A teacher wants to find out how distance will impact the strength of the magnetic field. She uses a ruler to measure the
1 answer
asked by
bryan arnett
47 views
Which of the following would decrease the magnetic field around a wire?
A) Decreasing the current (MY ANSWER) B) reversing the
6 answers
asked by
not a scientist
3,368 views
A length of wire carrying a current i and bent into a circular coil of one turn.The same length of wire has been out to give a
3 answers
asked by
hassan
2,034 views
A coil of wire with 200 circular turns of radius of 3 cm is in a uniform magnetic field along the axis of the coil. the coil has
3 answers
asked by
J
2,014 views
If the current in a wire is directed upward, what is the direction of the magnetic field produced by the current?
A.
5 answers
asked by
CookieMonster🍪
1,889 views
A circular loop of radius 0.10m is rotating in a uniform magnetic field of 0.20T. Find magnetic
flux B F through the loop and the
3 answers
asked by
Anonymous
1,789 views
A conducting bar slides without friction on two parallel horizontal rails that are 50 cm apart and
connected by a wire at one
3 answers
asked by
Vlady
1,715 views
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
4 answers
asked by
unknown
1,529 views
Four long, straight wires are parallel to each other and their cross-section forms a square. Each side of the square measures
3 answers
asked by
Brynlie
1,548 views
A current-carrying wire is oriented at right angles to a uniform magnetic field. If the length of the wire is
0.50 m and it
4 answers
asked by
sophie
1,527 views
Two very long, straight, parallel wires separated by distance d carry currents of magnitude I in opposite directions. Find the
2 answers
asked by
Lee
1,505 views
Oran wants to model the behavior of Earth’s magnetic field when Earth’s magnetic south is near Earth’s geographic north
18 answers
asked by
RedClover13
61 views
Which of the following is true about the magnetic field diagram below.
Its shows 3 Arrows on top pointing to B A B 3 Arrows on
6 answers
asked by
BUBBLES
1,304 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
2 answers
asked by
fred
1,280 views
Suppose a straight 1.60mm -diameter copper wire could just "float" horizontally in air because of the force due to the Earth's
1 answer
asked by
Anonymous
1,286 views
Particle A has twice the mass of particle B, and carries three times the charge of B charge. Both particles are sent
2 answers
asked by
Sandhya
1,252 views
please.!PLEASe PLEASE. help me.
TRUE or FALSE 1.the north pole of a permanent magnet is attracted to a south pole
4 answers
asked by
Clifford
1,244 views
Would someone check this please?
A circular loop of wire of radius 0.10 m and of resistance 2.0 �~ 10−3 ƒ¶ is in a region
1 answer
asked by
charlie
1,128 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
1 answer
asked by
Lina
1,124 views
A moving proton with a speed of 0.3 m/s experiences a force of 1.5*10^-20N, when it enters at a right angle to the direction of
3 answers
asked by
ashley --- HELP PLEASEE!!!
1,121 views
A long solenoid ( radius = 1.8 cm) has a current of a 0.33 A in its winding. A long wire carrying a current of 22 A is parallel
1 answer
asked by
Lina
1,110 views
The magnetic field 0.02 m from a wire is 0.1 T. What is the magnitude of the magnetic field 0.01 m from the same wire?
6 answers
asked by
Anonymous
1,101 views
A square wire loop 10.0 cm on each side carries a clockwise current of 15.0 A. Find
the magnitude and direction of the magnetic
1 answer
asked by
KAIT
1,111 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
2 answers
asked by
Anonymous
1,073 views
A conductor of length 2m carrying a 1.5A current experiences a force of 2.2 N. What is the magnitude of the magnetic field that
1 answer
asked by
physics student
1,067 views
In Figure below, an electron accelerated from rest through potential difference V1=0.955 kV enters the gap between two parallel
2 answers
asked by
Bobby Ray
1,055 views
The figure below shows two current carrying wires and the directions of the currents they carry. The wires carry the following
1 answer
asked by
k
1,039 views
Two straight wires perpendicular to the plane of this page are shown in the figure. The currents in the wires are the same. The
1 answer
asked by
Anonymous
1,047 views
A wire of length 60cm and mass 10kg is suspended by a pair of flexible leads in a magnetic field magnitude and direction of the
2 answers
asked by
Mztura
1,021 views
A metal rod of length (L) moves with velocity (v), perpendicular to its length, in a magnetic field B, which is perpendicular to
3 answers
asked by
Promise
1,002 views
A student places a bar magnet at different distances from a paper clip as pictured. Her results are in the table below.
image
1 answer
asked anonymously
50 views
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Parent Categories (11)
Electricity
Electricity and Magnetism
Electromagnetism
Forces in Nature or Magnetism
Magnetism
Magnetism and Electricity
Magnetism and Electromagnetism
Magnets
Physics
Physics or Magnetism
Plate Tectonics