A magnetic flux of 40 mVb permeates the closed loop. Determine the average value of the induction emf that occurs in the circuit if the magnetic flux changes to zero in time t = 0.002 s.

A detailed solution with a brief record of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
If you have questions about the solution, write. I try to help.