A 10 m long wire of 20W resistance is connected with a battery of 3 vo – McqOptions

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1.	A 10 m long wire of 20W resistance is connected with a battery of 3 volt e.m.f. (negligible internal resistance) and a 10 W resistance is joined to it is series. Potential gradient along wire in volt per meter is [MP PMT 2003]
A.	0.02
B.	0.3
C.	0.2
D.	1.3
Answer» D. 1.3

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