Relation between deflecting torque & current flowing through moving coil instrument

Q.  The deflecting torque in a moving coil instrument is
- Published on 11 Sep 15

a. Directly proportional to the current flowing through it
b. Inversely proportional to the current flowing through it
c. Inversely proportional to the square of current flowing through it
d. Directly proportional to the square of current flowing through it

ANSWER: Directly proportional to the square of current flowing through it

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