1.

A wire of length 100 cm is connected to a cell of emf 2 V and negligible internal resistance.  The resistance of the wire is 3 W.  The additional resistance required to produce a potential drop of 1 milli volt per cm is      [Kerala PET 2002]

A.         60 W                                 
B.         47 W
C.         57 W                                 
D.         35 W
Answer» D.         35 W


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