The current in a coil of inductance 5 H changes linearly from 10 A to – McqOptions

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1.	The current in a coil of inductance 5 H changes linearly from 10 A to 2 A in t seconds. If the induced emf is 40 V, what is the time t?
A.	1s
B.	2s
C.	4s
D.	8s
Answer» B. 2s

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