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In the AC resistor circuit of Figure Q2.1, the voltage of the AC power source is U = 100 sin(120nt) V,

(a) the peak voltage of the AC power source (b) the frequency of the alternating current in the circuit (c) the instantaneous voltage of the power source at t = 20 ms (d) the peak voltage across each resistor (e) the instantaneous resistor voltages at t = 20 ms, and (f) to sketch the waveform of voltage in the first two periods

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