A) directly proportional to torsional constant of spring
B) directly proportional to the number of turns in the coil
C) inversely proportional to the area of the coil
D) inversely proportional to the current in the coil
Correct Answer: B
Solution :
The deflection in a moving coil galvanometer, \[\phi \frac{NAB}{k}.\] I or \[\phi \propto N\], where N is number of turns in a coil, B is magnetic field and A is area of cross-section.
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