1.

In the circuit shown, a meter bridge is in its balanced state.  The meter bridge wire has a resistance 0.1 ohm/cm.  The value of unknown resistance X and the current drawn from the battery of negligible resistance is   [AMU (Engg.) 2000]

A. 6 W, 5 amp
B. 10 W, 0.1 amp
C. \[258\,\Omega \] 
D. 12 W, 0.5 amp
Answer» D. 12 W, 0.5 amp


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