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AP and TS EAMCET Engineering 2020 Model Paper 1

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Question : 104

Total: 160

A galvanometer with 50 divisions on the scale has a resistance of 250 Ω A current of 2×10−4A gives a deflection of one scale division. To convert it into a voltm eter reading upto 25 volt, the additional series resistance required is of

25Ω
25×99Ω
25×100Ω
25
99
Ω

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