16. Find the value of impedance which absorbs a complex power of 2300 VA with a 30 degrees angle at 115 V rms. 17. A series RLC circuit has R = 100, L = 40 × 10-6H and c = 60 × 10-12F. What is the resonant of the circuit in MHz? 18. A series circuit consists of a 120-ohm resistance, a 150 mH inductance and an unknown capacitance. The circuit is supplied with a voltage V = 100 sin377t. Find the value of the capacitance at resonance. 19. A parallel RLC circuit has a resonant frequency of 20, 000 rad/sec. If L is equal to 100 mH, find the value of C? 20. A tuned circuit is resonant at 400 kHz. Its Q is 100. What is its bandwidth? 21. A current of 2.5 A flows through a series circuit consisting of a 100 A resistor and an unknown capacitor across a source of 460 V, 50 Hz. What is the value of the capacitive reactance? 22. A circuit consists of a 4 1 resistor and 300 µF capacitor in series. It is connected across a 60 Hz voltage source with a 500 V peak voltage. What is the phasor form of the current? 23. The voltage across a given circuit is 15 + j10 V. What is the power supplied to the drcuit if the current through it is (18 - j5)A? 24. The following are in series R = 2, 000 n, L = 600 µH and C = 80, 000 pF. The voltage across the circuit is 200 V. What is the total impedance expressed in ohms if the frequency is 100 kHz?