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Self-inductance of a coil is 2mH, curren...

Self-inductance of a coil is 2mH, current through this coil is, `I=t^(2)e^(-t)` (t = time). After how much time will the induced emf be zero?

A

2s

B

1s

C

4s

D

3s

Text Solution

Verified by Experts

The correct Answer is:
A
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