1.

The effective resistance of two resistors in parallel is \[\frac{12}{7}\,\,\Omega \].  If one of the resistors is disconnected the resistance becomes 4 W.  The resistance of the other resistor is         [MH CET 2002]

A.         4 W                                   
B.         3 W
C.         \[\frac{12}{7}\,\,\Omega \]                                       
D.         \[\frac{7}{12}\Omega \]
Answer» C.         \[\frac{12}{7}\,\,\Omega \]                                       


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