In the figure, the magnetic flux through the loop increases according to the rel

Question

In the figure, the magnetic flux through the loop increases according to the relation ?B = 5.7t2 + 6.4t, where ?B is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t = 2.1 s? (b) Is the direction of the current through R to the right or left?

In the figure, the magnetic flux through the loop increases according to the relation ?B = 5.7t2 + 6.4t, where ?B is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t = 2.1 s? (b) Is the direction of the current through R to the right or left?

Explanation / Answer

emf induced in the loop = d?B/dt =[ 2*5.7t +6.4 ] at t=2.1 s = 30.34 v

b]as the current in the loop is incresing which is given in the question we can say that the direction of the current in the coil is is in the direction of the magnetic field

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