Task 30284.
Simple coreless solenoid 20 cm long and 4 cm in diameter has a tight winding of copper wire of 0.1 mm diameter. For the current 0.1 it decreases uniformly from 5 A to 0. To determine the induction electromotive force in the solenoid.
Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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