A primary cell has an e.m.f. of 1.5 volt. When short-circuited it give – McqOptions

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1.	A primary cell has an e.m.f. of 1.5 volt. When short-circuited it gives a current of 3 ampere. The internal resistance of the cell is
A.	4.5 ohm
B.	2 ohm
C.	0.5 ohm
D.	(1/4.5) ohm
Answer» D. (1/4.5) ohm

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