1.

The resistance of 10 metre long potentiometer wire is 1ohm/meter. A cell of e.m.f. 2.2 volts and a high resistance box are connected in series to this wire. The value of resistance taken from resistance box for getting potential gradient of 2.2 millivolt/metre will be      [RPET 1997]

A.                    \[790\,\Omega \]
B.                                      \[810\,\Omega \]
C.                    \[990\,\Omega \]       
D.            \[1000\,\Omega \]
Answer» D.            \[1000\,\Omega \]


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