In a moving coil instrument 12 A current causes a deflection of the needle by 60 degrees. A deflection of 15 degrees will be obtained by a current of
A. 6 A
B. 9 A
C. 4 A
D. 3 A
Answer:D
In a moving coil instrument 12 A current causes a deflection of the needle by 60 degrees. A deflection of 15 degrees will be obtained by a current of
A. 6 A B. 9 A C. 4 A D. 3 A