Question

A circular loop of wire having a radius of 8.52 cm carries a current of 0.149 A. A vector of unit length and parallel to the dipole moment of the loop is given by 0.60i – 0.80j. If the loop is located in a uniform magnetic field given by B = (0.280 T)i + (0.191 T)k, find (a) the x-component, (b) the y-component, and (c) the z-component of the torque on the loop and (d) the magnetic potential energy of the loop.

Answer #1

A circular loop of wire having a radius of 8.0 cm carries a
current of 0.20 A. A vector of unit length and parallel to the
dipole moment μ of the loop is given by 0.60
i-0.80 j. (This unit vector gives the
orientation of the magnetic dipole moment vector.) If the loop is
located in a uniform magnetic field given by
B=0.25 i+0.30 k T.
Find (a) the torque on the loop (in unitvector notation) and (b)
the orientation...

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 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...

1) A circular loop of radius 3.53 cm contains 61 turns of
tightly wound wire. If the current in the windings is 0.634 A and a
constant magnetic field of 0.462 T makes an angle of 70.3 ◦ with a
vector perpendicular with the loop, what torque acts on the
loop?
2) The clockwise circulating current in a solenoid is increasing
at a rate of 13 A/s. The crosssectional area of the solenoid is
3.14159 cm2 , and there are...

A circular coil of wire (N=10 turns) of radius 0.20 m is in a
uniform magnetic field of 0.50 T. The current in the loop is 4.0 A.
What is the magnetic torque when the plane of the loop is parallel
to the magnetic field?

A current carrying circular wire has a radius of 6.2 cm. This
circular wire placed in a magnetic field of B. If the current is
5.2 A and the maximum torque is 2.6x10-3 A.
m2. T, calculate the magnetic field B.

A circular loop of wire with radius of 1.0 m lies in the xy
plane. A uniform 1.0 T external magnetic field is directed along
the z axis. The wire is a conductor, and carries current of 1.0
Amperes. What is the tension (or compression) in the wire due to
the external field?

A circular loop of radius 11.9 cm is placed in a uniform
magnetic field.
(a) If the field is directed perpendicular to the plane of the
loop and the magnetic flux through the loop is 7.40 ✕
10−3 T · m2, what is the strength of the
magnetic field?
T
(b) If the magnetic field is directed parallel to the plane of the
loop, what is the magnetic flux through the loop?
T · m2

A 50 cm × 85 cm rectangular loop of wire is located in a region
of uniform magnetic field with a magnitude of B0=3.32
Telsa, and oriented perpendicular to the wire loop. The wire is
reshaped into a circular loop of radius r = 43 cm. What is the
change in the magnitude of the the magnetic flux through the loop
as a result of this change in shape?
2. A 60 cm×60 cm square loop of wire is placed...

The plane of a rectangular loop of wire 5 cm x 8 cm is parallel
to a magnetic field whose flux density is 0.15 w/m^2. (a) If the
loop carries a current of 10 amp, what torque acts on it? (b) What
is the maximum torque that can be obtained with the same total
length of wire carrying the same current in this magnetic
field?

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