The current strength in the oscillating circuit, consisting of 2.0 GH inductance in series with a capacitor, varies with time according to the law I = 5 * 10 ^ -3 * sin2 * 10 ^ 3t, A. Determine the capacitance of the circuit, the period of oscillations in the circuit, energy of electric and magnetic fields at time t1 = T / 2. Neglect the loop resistance.

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