Multiple Choice
A circular loop carrying a current of 1.6 A is oriented in a magnetic field of 0.30 T.The loop has an area of 0.14 m2 and is mounted on an axis,perpendicular to the magnetic field,which allows the loop to rotate.What is the torque on the loop when its plane is oriented at a 21° angle to the field?
A) 2.4E-2 N⋅m
B) 6.3E-2 N⋅m
C) 3.7E-2 N⋅m
D) 5.6E-2 N⋅m
E) 9.4E-1 N⋅m
Correct Answer:

Verified
Correct Answer:
Verified
Q28: A proton moving at a speed of
Q29: A high-voltage power line 23.0 m above
Q30: A superconducting solenoid is to be designed
Q31: A horizontal wire of length 4.5 m
Q32: A soft magnetic material has which property?<br>A)It
Q34: Assume that a uniform magnetic field is
Q35: If a proton is released at the
Q36: Square coil A has 2N turns and
Q37: Two long parallel wires are a distance
Q38: Which of the following is not a