Self-inductance of a coil is 50mH. A current of 1 A passing through the coil reduces to zero at steady rate in 0.1 s, the self-induced emf isA. 5 VB. 0.05 VC. 50 VD. 0.5 V

Self-inductance of a coil is 50mH. A current of 1 A passing through th

1.	Self-inductance of a coil is 50mH. A current of 1 A passing through the coil reduces to zero at steady rate in 0.1 s, the self-induced emf isA. 5 VB. 0.05 VC. 50 VD. 0.5 V
Answer» Correct Answer - D Here, `L=50xx10^(-3)H` `(dI)/(dt)=((1-0))/(0.1)=10` emf, `e=(L.dI)/(dt)=50xx10^(-3)xx10` `=50xx10^(-2)=0.5V`

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Self-inductance of a coil is 50mH. A current of 1 A passing through the coil reduces to zero at steady rate in 0.1 s, the self-induced emf isA. 5 VB. 0.05 VC. 50 VD. 0.5 V

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