11.47 For each of the following cases, find the complex power, the average power, and the reactive power: (a) v(f) = 112 cos(@t + 10°) V, i(f) = 4 cos(@t – 50°) A (b) v(1) = 160 cos 377t V, i(1) = 4 cos(377t + 45°) A (c) V = 80/60° V ms, Z = 50/30° N (d) I = 10/60° A ms, Z = 100/45° n

The peak amplitude of the sinusoidal voltage source in the circuit shown in (Figure 1) is 150√2 V and its period is 200 μs. The load resistor can be varied from 0 to 20 2 and the load inductor can be varied from 1 to 8 mH Part A Calculate the average power delivered to the load when R = 10 and Lo = 6 mH Express your answer to three significant figures and include the appropriate units. P = 9.00 W Figure 300 Ω w 1μF Ro 1 of 1 Submit Previous Answers Correct Determine the settings of R, and Lo that will result in the most average power being transferred to Ro Part B Find Ro Express your answer to three significant figures and include the appropriate units. НА ? Ro= Value Units Submit Request Answer Part C Find Lo Express your answer to three significant figures and include the appropriate units. HA ? Lo= Value Units Submit Request Answer

RMS value of an alternating current is 30 A and its frequency is 25 Hz. Write its equation to find its instantaneous value. Calculate also (1) its average value and (2) time period.