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The sensitivity of a moving coil galvano...

The sensitivity of a moving coil galvanometer can be increased by
(1) decreasing the couple per unit twist of the suspension
(2) increasing the number of turns in the coil
(3) decreasing the area of the coil
(4) decreasing the magnetic field

A

Large inductance, small ohmic resistance

B

Large inductance, large ohmic resistance

C

Small inductance, large ohmic resistance

D

Small inductance, small ohmic resistance

Text Solution

Verified by Experts

The correct Answer is:
A
Q - factor ` = (X_(L))/(R) = (omega L)/(R)`
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