A rectangular frame consisting of five turns with sides of 7 cm and 10 cm is located inside a long solenoid with a linear density of turns of 20 cm "1. The normal to the frame is 45 ° with the lines of force of the magnetic field. The current flowing through the solenoid varies with time according to the law I = 0.04t ^ 2, A. The frame resistance is 2 Ohm. Determine: 1) the induction current in the frame at time 3c; 2) the charge passed on the frame for a period of time from 2 seconds to 4 seconds.
A detailed solution with a brief entry of the condition, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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13.05.2017 17:18:39
Всё замечательно, единственное что не очень хорошо понятно, ибо написано от руки.