Current Electricity Part 1
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Question : 11 of 100
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An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and resistance 5Ω. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire, is :
[12 Jan 2019 Shift 1]
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