The megnetic flux lines of `3 xx 10^(-4)` Wb are passing through a coil of 100 turns. If the e.m.f. Induced in the coil is 1.5V, the time interval wil
The megnetic flux lines of `3 xx 10^(-4)` Wb are passing through a coil of 100 turns. If the e.m.f. Induced in the coil is 1.5V, the time interval will be
A. 1 sec
B. 0.1 sec
C. 0.02 sec
D. 0.4 sec
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Correct Answer - C
`e = (Ndphi)/(dt) :. dt = (Ndphi)/(e) = (100xx3xx10^(-4))/(1.5)`
` = 2 xx 10^(-2)s=0.02 s`.
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