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A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 volts, it should be connected with a resistance of

(1) 2500 Ω as a shunt

(2) 2450 Ω as a shunt

(3) 2550 Ω in series

(4) 2450 Ω in series

PMT