Keeping all the parameters constant, the number of turns in the coi...

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Keeping all the parameters constant, the number of turns in the coil of a moving coil galvanometer is doubled for the sake of increment in its sensitivity. Choose the correct alternative.
(1) Current sensitivity and voltage sensitivity both are doubled
(2) Voltage sensitivity is doubled but current sensitivity remains unchanged
(3) Current sensitivity is doubled but voltage sensitivity remains unchanged
(4) Current sensitivity is doubled but voltage sensitivity is halved
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