Inside the long solenoid coils with a density n = 5 cm ^ -1 is a square frame S0 = 10 cm ^ 2 and the number of turns N = 1,000. Frame uniformly rotates at v = 10 Hz relative to an axis lying in the plane of the frame and perpendicular to the magnetic field lines of the solenoid. A solenoid current I1 = 2A, frame resistance R = 5 ohms. Define: amperage in frame I2 at time t2 = (T / 4); the charge for the last frame of the span of time from t0 = 0 to t2.
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