1.

A coil is said to have a self-inductance of 1 henry if an EMF of 1 volt is induced in it when the current flowing through it changes at the rate of ___________.

A. 1 A / second
B. 1 mA / second
C. 1 mA / min
D. 1 A / min
Answer» B. 1 mA / second


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