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  4. The sensitiveness of a moving coil galvanometer can be increased by decreasing the

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Q. The sensitiveness of a moving coil galvanometer can be increased by decreasing the

MGIMS WardhaMGIMS Wardha 2011

Solution:

For moving coil galvanometer $ C\theta =niBA $ where C = Couple per twist of the suspension $ \theta = $ deflection of galvanometer $ \frac{\theta }{i}=\frac{nBA}{C} $ Sensitivity of galvanometer $ =\frac{nBA}{C} $ $ \therefore $ To increase the sensitivity of galvanometer, value of C should be decreased.