The electromotive force of a primary cell is 2 volts. When it is short – McqOptions

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1.	The electromotive force of a primary cell is 2 volts. When it is short-circuited it gives a current of 4 amperes. Its internal resistance in ohms is [MP PET 1995]
A.	0.5
B.	5.0
C.	2.0
D.	8.0
Answer» B. 5.0

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