adrimarie6694 adrimarie6694

26-03-2024
Physics

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The magnetic flux linked with a coil at any instant ‘t’ is given by ϕ=5t3−100t+300, the e.m.f. induced in the coil at t = 2 second is
A. – 40 V
B. 40 V
C. 140 V
D. 300 V

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