1.

When a potential difference is applied across, the current passing through                                                               [IIT-JEE 1999]

A.            An insulator at \[0K\] is zero
B.            A semiconductor at \[0K\] is zero
C.            A metal at \[0K\] is finite
D.            A P-N diode at \[300K\] is finite, if it is reverse biased
Answer» C.            A metal at \[0K\] is finite


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