In a copper voltmeter, mass deposite in 30 seconds is 'm' gram. If the – InterviewSolution

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1.	In a copper voltmeter, mass deposite in 30 seconds is 'm' gram. If the time-current graph is as shown in figure. ECE of copper is
Answer» Z = m `Z=(m)/(2)` `Z=(m)/(5)` `Z=2m` ANSWER :B

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