Question Detail

PHY 102 Test Compilation PHY 102 3 Objective Question

Question

Which has no effect on turning effect (torque) of electric motor coil?
Options
A size of current
B direction of current
Correct Answer
C number of turns
D strength of magnetic field
Correct Answer

Option B is the correct answer.

Detailed Explanation

Direction affects rotation direction, not magnitude of torque. Torque magnitude depends on I, N, B, A.

Hint

Torque = N I A B sinθ.

Question Info