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CBSE Class 12-science Answered

A potentiometer wire is 5 m long and a potential difference of 6 V is maintained between its ends. Find the emf of a cell which balances against a length of 180 cm of the potentiometer wire.

Asked by Topperlearning User | 28 Apr, 2015, 10:11: AM
Expert Answer

 Potential gradient of the potentiometer wire is:

  
Answered by | 28 Apr, 2015, 12:11: PM
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