Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part3 : 21 to 25
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.All definitions of power factor of a series R-L-C circuit are correct except |
| ratio of net reactance and impedance |
| ratio of kW and kVA |
| ratio of J and Z |
| ratio of W and VA |
22.At very low frequencies a series R-C circuit behaves as almost purely |
| resistive |
| inductive |
| capacitive |
| none of the above |
23.In a series L-C circuit at the resonant frequency the |
| current is maximum |
| current is minimum |
| impedance is maximum |
| voltage across C is minimum |
24.Magnitude of current at resonance in R-L-C circuit |
| depends upon the magnitude of R |
| depends upon the magnitude of L |
| depends upon the magnitude of C |
| depends upon the magnitude of R, LandC |
More Circuits And Circuit Theory QUESTIONS AND ANSWERS available in next pages
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