Question
Current sensitivity of a moving coil galvanometer is 9
div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 30 div/V. The resistance of the galvanometer is-Solution
Is = NBA/C Voltage sensitivity Vs = NBA/CRG So, resistance of galvanometer RG = Is/Vs = (9 × 1)/(30 × 10-3) = 9000/30 = 300 Ω
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