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Physics
The current sensitivity of a moving coil galvanometer depends on
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Q. The current sensitivity of a moving coil galvanometer depends on
JIPMER
JIPMER 2019
Moving Charges and Magnetism
A
the number of turns in the coil
51%
B
moment of inertia of the coil
12%
C
current sent through galvanometer
30%
D
eddy current in Al frame
7%
Solution:
Current sensitivity $=\frac{nBA}{K}$
where K is constant of torsional rigidity.
B is the magnetic field A is coil area.