21. To increase the current in a series RL circuit, the frequency A. Should be increased B. Should be decreased C. Should be constant D. Cannot be determined without values Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
22. When the frequency is decreased, the impedance of a parallel RL circuit Increases A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
23. The resistor voltage in an RL circuit is always out of phase with the current. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
24. When the frequency of the voltage applied to a series RL circuit is increased, the phase angle A. Decreases B. Increases C. Does not change D. Cannot be determined without values Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
25. The impedance of an RL circuit varies inversely with frequency. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
26. Which of the following power factors results in less energy loss in an RL circuit? A. 1 B. 0.8 C. 0.4 D. 0.2 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
27. A 470 Ω resistor and a 200 mH coil are in parallel. Both components are across a 1.5 kHz ac source. The total admittance of the circuit, in polar form, is A. 12.60 ∠-76° mS B. 12.18 ∠76° mS C. 218 ∠-76° mS D. 12.18 ∠-76° mS Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
28. In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is A. 6 A B. 424 mA C. 4.24 A D. 42.4 A Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
29. A power factor of 1 indicates a purely reactive circuit, and a power factor of 0 indicates a purely resistive circuit. A. True B. False Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board