A repulsion type moving iron instrument when used with AC circuits, the deflecting torque is
A. Directly proportional to the rms current
B. Directly proportional to the square of rms current
C. Directly proportional to the peak current
D. Directly proportional to the square of the peak current
Answer:D
A repulsion type moving iron instrument when used with AC circuits, the deflecting torque is
A. Directly proportional to the rms current B. Directly proportional to the square of rms current C. Directly proportional to the peak current D. Directly proportional to the square of the peak current