4. In a series RLC circuit that is operating above the resonant frequency, the currentIn a series RLC circuit that is operating above the resonant frequency, the current ________.
(a) lags the applied voltage (b) leads the applied voltage (c) is in phase with the applied voltage (d) is zero
Answer
Answer : (a)
Explanation
Explanation : No answer description available for this question. Let us discuss.
5555555555 13. The impedance at the resonant frequency of a series RLC circuit with L = 20 mH, C = 0.02 μF, and Rw = 90 Ω is ________. (a) 0 Ω (b) 90 Ω (c) 20 kΩ (d) 40 kΩ
5555555555 2. When the frequency of the voltage applied to a series RL circuit is decreased, the impedance ________. (a) decreases (b) increases (c) does not change (d) cannot be determined without values
5555555555 16. When the frequency of the voltage applied to a series RC circuit is increased, the phase angle ________. (a) increases (b) decreases (c) remains the same (d) becomes erratic
555555555517. When the frequency of the voltage applied to a series RC circuit is decreased, the impedance (a) increases (b) decreases (c) remains the same (d) doubles
5555555555 20. A 6 kHz sinusoidal voltage is applied to a series RC circuit. The frequency of the voltage across the resistor is ________. (a) 0 Hz (b) 12 kHz (c) 6 kHz (d) 18 kHz