Flux passes through coil changes from `2xx10^(-3)Wb` to `3xx10^(-3)` Wb during 25s. The induced emf is
Flux passes through coil changes from `2xx10^(-3)Wb` to `3xx10^(-3)` Wb during 25s. The induced emf is
A. 0.02 mV
B. 0.03 mV
C. 0.05 mV
D. 0.04 mV
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Correct Answer - D
`e=(phi_(2)-phi_(1))/(dt)=(3xx10^(-3)-2xx10^(-3))/(25)`
`e=0.04` mV
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