1.

Current in Ampere in an inductor is given by 10 + 10 t where t is the time in seconds. If the self- induced emf in the coil is 20 mV, then its self- inductance is:

A. 10 mH
B. 1 mH
C. 2 mH
D. 20 mH
Answer» D. 20 mH


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