Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part4 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.The series ;nd parallel resonance on L-C circui' differs in that |
| series resistance needs a low-resistance ource for sharp rise in current |
| series resonance needs a high-resistance source for sharp increase in current |
| parallel resonance needs a low-resistance source for a sharp in�crease in impedance |
| parallel resonance needs a low-resistance source for a sharp rise in line current |
7.Which of the following refers to a parallel circuit ? |
| The current through each element is same |
| The voltage across element is in proportion to it's resistance value |
| The equivalent resistance is greater than any one of the resistors |
| The current through any one element is less than the source current |
8.The power is measured in terms of decibles in case of |
| electronic equipment |
| transformers |
| current transformers |
| auto transformers |
9.The power factor of a D.C. circuit is always |
| less than unity |
| unity |
| greater than unity |
| zero |
10.The phasors for which of the following pair are 180� out of phase for VL, VC and VR? |
| Vc and VR |
| VL and VR |
| Vc and VL |
| none of the above |
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