The value of ε at time t .

Question

The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non- circular portion of the circuit is negligible compared to that of the loop. В Suppose that the radius of the loop is 0.500 m. At what rate must B change with time if the emf induced in the loop is 37 volts? O 37.7 T/s O 12.0 T/s O 49.2 T/s O 24.0 T/s O 18.8 T/s

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Chapter 30, Problem 30AP

To determine

The value of ε at time t .

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The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non- circular portion of the circuit is negligible compared to that of the loop. В Suppose that the radius of the loop is 0.500 m. At what rate must B change with time if the emf induced in the loop is 37 volts? O 37.7 T/s O 12.0 T/s O 49.2 T/s O 24.0 T/s O 18.8 T/s

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