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Terminal Voltage

Asked by baidshryans 21st February 2009, 10:46 PM
Answered by Expert

We have P.D. across two ends as following in the two cases:

1)open circuit,   V=E

2)Closed cicuit,V=E-Ir  

In above,E=EMF of cell,r=internal resistance of cell,I=Current flowing when circuit is closed.

Clearly potential difference is more in case of open circuit then closed circuit.

Answered by Expert 22nd February 2009, 12:44 PM
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