Task 31498.
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- Physics
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DESCRIPTION
Task 31498.
Long coil contains 800 turns with a radius of 2.5 cm to 40 cm long solenoid current intensity in the solenoid changes over time according to the law I (t) = 5 * sin (pi / 2) * t, A. Determine: inductance coil;.. the maximum values of the magnetic field in the solenoid and the magnetic flux coupled to the solenoid coils; EMF of self-induction, and bulk density of the magnetic field energy in a time equal to 0.5s.
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Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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