52 A potentiometer having the potential gradient of 2 mV cm is used to measure the difference of If a length of 50 cm of the

Question

52 A potentiometer having the potential gradient of 2 mV cm is used to measure the difference of If a length of 50 cm of the potentiometer wire is potential across a resistance of 10Q in same circuit required to get the null point then the current passing through the 10 resistor is in mA a 1 b 2 c 5 d 10 The

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