A potentiometer wire of length \[1\,m\] and resistance 10 W is connect – McqOptions

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1.	A potentiometer wire of length \[1\,m\] and resistance 10 W is connected in series with a cell of emf 2V with internal resistance 1 W and a resistance box including a resistance R. If potential difference between the ends of the wire is 1 mV, the value of R is [KCET 1999]
A.	20000 W
B.	19989 W
C.	10000 W
D.	9989 W
Answer» C. 10000 W

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