Question

A square current loop 4.6 cm on each side carries a 510 mA current. The loop is in a 1.5 T uniform magnetic field. The axis of the loop, perpendicular to the plane of the loop, is 30∘ away from the field direction.

a) What is the magnitude of the torque on the current loop?

Answer #1

A square conducting loop of side length a = 11 cm sits in the
xy-plane. A uniform magnetic field of strength B = 0.5 mT points
along the positive y-axis. A current of I = 0.3 mA is run through
the loop.
a) Find the net force on the loop.
b) Find the torque on the loop.
c) What is the magnetic dipole moment of the current loop?
d) Find the magnitude of the force on one of the x-direction...

A
square loop of side 4 cm, carrying a current of 5.2 A, is placed
inside of a uniform magnetic field of magnitude 1.55 T pointing in
the z direcrion. If the square loop makes an angle of 30 degrees
with the magnetic field, what is the magnetic moment of the
loop?
What is the magnitude of the torque on the loop?

A circular loop of radius 14 cm carries a current of 15 A. A
flat coil of radius 1.2 cm, having 65 turns and a current of 1.1 A,
is concentric with the loop. The plane of the loop is perpendicular
to the plane of the coil. Assume the loop's magnetic field is
uniform across the coil. What is the magnitude of (a) the magnetic
field produced by the loop at its center and (b) the torque on the
coil...

A rectangular (20.0 cm x 55.0 cm) current loop carrying a
current of 20.0 A was located with its plane parallel to a uniform
1.5 T magnetic field.
(a) Label the corners of the rectangle (a, b c, and d) and
calculate the magnitude of the magnetic force on each side of the
rectangular current loop
(b) Show the magnetic force direction on each side of the
rectangle using appropriate symbols.
(c) What is the total force on the loop?...

A current-carrying wire is in the shape of a square of edge
length 5.0 cm. The square lies in the z = 0 plane. The
wire carries a current of 2.1 A.
(a) What is the magnitude of the torque on the wire if there is
a uniform magnetic field of magnitude 0.28 T in the +z
direction?
(b) What is the magnitude of the torque if the field is in the
+x direction?

A circular wire loop whose radius is 16.0 cm carries a current
of 2.58 A. It is placed so that the normal to its plane makes an
angle of 41.0° with a uniform magnetic field of 1.20 T. The initial
torque on the current loop will make the magnetic dipole moment
vector Will it?:
A. Try to align against the magnetic field
B. Try to align with the magnetic field.
C .There will be no torque on the loop
Then...

A square conducting loop of side length a = 18 cm sits in
three-dimensional space, such that its area vector points along the
vector -i - 4j + k.
A uniform magnetic field of strength B = 0.76 mT points along
the positive z-axis.
a) A current of I = 0.8 mA is run through the loop. Find the
net force on the loop.
b) Find the torque on the loop. (Note it should be of the form
(Tx ,...

A square conducting loop of side length a = 24 cm sits in
three-dimensional space, such that its area vector points along the
vector -i - 4j +
k.
A uniform magnetic field of strength B = 0.04 mT points along
the positive z-axis.
A current of I = 0.3 mA is run through the loop. Find the net
force on the loop.
Find the torque on the loop. (Note it should be of the form (Tx
, Ty ,...

A square conducting loop of side length a = 11 cm sits in
three-dimensional space, such that its area vector points along the
vector -i - 4j +
k.
A uniform magnetic field of strength B = 0.97 mT points along
the positive z-axis.
A current of I = 1 mA is run through the loop.
A. Find the net force on the loop
B. Find the torque on the loop. (Note it should be of the form
(Tx ,...

A square conducting loop 8.4 cm on a side is placed in a uniform
B-field so that the plane of the loop is perpendicular to
the direction of the field lines. If the loop is then converted
into a rectangular loop measuring 2.1 cm on its shortest side in
6.50 ms, and the average emf induced across the loop is 14.7 V
during this time period, what is
A) the strength of the B-field?
B) What is the direction of...

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