1.

The self-induced e.m.f. in a 0.1 H coil when the current in it is changing at the rate of 200 ampere/second  is                                                                                              [DPMT 2002]

A. \[8\times {{10}^{-4}}\,V\]
B. \[8\times {{10}^{-5}}\,V\]
C. \[20\,V\]
D. \[125\,V\]
Answer» D. \[125\,V\]


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