A magnetic field of 0.27 T exists in the region enclosed by a solenoid that has 599 turns and a diameter of 9.29 cm. Within what period of time must the field be reduced to zero if the average magnitude of the induced emf within the coil during this time interval is to be 12.8 kV

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Answer:Explanation:Given

The initial magnetic field is

No of turns

Diameter of the solenoid

Induced EMF

Induced emf is the product of no of turns and rate of change of flux.