Questions
Flux (in weber) in a closed-circuit of resistance 10 ohm varies with time t (in sec) according to the equation :
What is the magnitude of the induced current at t = 0.25 s ?
detailed solution
Correct option is D
dΦdt= 12t - 5 At t=0.25 s, e= -2 Induced current= 2/10= 0.2ATalk to our academic expert!
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The magnetic field in the cylindrical region shown in figure increases at a constant rate of 20 mT/s. Each side of the square loop ABCD has a length of 1 cm and resistance of Find the current in the wire AB if the switch S is closed
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