Physics
Oscillations Mechanical Waves
A circuit consisting of a capacitor and a coil in

A circuit consisting of a capacitor and a coil in series is connected to the mains. Varying

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A circuit consisting of a capacitor and a coil in series is connected to the mains. Varying the capacitance of the capacitor, the heat power generated in the coil was increased n = 1.7 times. How much (in per cent) was the value of cos φ changed in the process?

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Question Posted: Jun 16, 2010 10:32 PM

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