Current sensitivity of a moving coil galvanometer is 5 
and its voltage sensitivity (angular deflection per unit voltage applied) is 20 
The resistance of the galvanometer is
A
40 
B
25 
C
250 
D
500 
Text Solution
Verified by ExpertsThe correct answer is:
C
Let 
number of turns in galvanometer, 
Area, 
magnetic field
the restoring torque per unit twist.
Current sensitivity, 
Voltage sensitivity, 
So, resistance of galvanometer
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