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The resistance of a galvanometer is 10 ohm. It gives full scale deflection when 1 mA current is passed.

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The resistance of a galvanometer is 10 ohm. It gives full scale deflection when 1 mA current is passed. The resistance to be connected in series for converting it into a voltmeter of 2.5 volt will be

(1)  249Ω

(2)  2490Ω

 (3)  299Ω

 (4)  2999Ω

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Correct option (2)  2490Ω

Explanation:

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