An alternating voltage, the effective value of which is U = 220 V, and the frequency ν = 50 Hz, is applied to a coreless coil with an inductance L = 31.8 mH and an active resistance R = 10.0 Ohm. a) Find the amount of heat Q released in the coil per second. b) How will Q change if a capacitor of capacitance C = 319 μF is connected in series with the coil?
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