Задача 30538.

Calculate the average emf. self-induction resulting from breaking the current in an electromagnet. Number of turns N=1000, solenoid cross-section S=10 cm^2, induction B=1.5 T, opening time delta t=0.01 s.

Detailed solution with a brief record of the conditions, formulas and laws used in the solution, derivation of the calculation formula and answer.
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