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

what are

(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,

(f) to sketch the waveform of voltage in the first two periods