Multiple Choice
A rectangular coil (0.12 m × 0.82 m) has 194 turns and is in a uniform magnetic field of 0.44 T.If the orientation of the coil is varied through all possible positions,the maximum torque on the coil by magnetic forces is 0.060 N⋅m.What is the current in the coil?
A) 0.75 mA
B) 1.4 A
C) 7.1 mA
D) 2.7 A
E) 0.07 A
Correct Answer:

Verified
Correct Answer:
Verified
Q35: If a proton is released at the
Q48: Which of the following locations has the
Q60: Superconductors can carry very large currents with
Q61: A proton moving with a speed of
Q62: Two long parallel wires 32.7 cm apart
Q63: Two long parallel wires 45.3 cm apart
Q69: A 71-m-long wire carrying a current of
Q86: The direction of the force on a
Q90: Magnetism had been a known phenomenon for
Q92: A current in a solenoid coil creates