Задача 30164.

If you change the current strength of 2.5 A to 14.5 A solenoid comprising 800 turns of the magnetic current through which it turns out increased by 2.4 DHS. What is the average emf of self-induction occurs at the same time in the solenoid if the current change occurs in a time of 0.15 s? Identify and change the inductance of the coil magnetic field energy.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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