Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part3 : 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.Which of the following coil will have large resonant frequency ? |
| A coil with large resistance |
| A coil with low resistance |
| A coil with large distributed capacitance |
| A coil with low distributed capacitance |
7.In AC. circuits, laminated iron is invariably used in order to |
| reduce eddy current loss |
| increase heat radiation |
| make assembly cheap and easier |
| reduce circuit permeability |
8.Time constant of an inductive circuit |
| increases with increase of inductance and decrease of resistance |
| increases with the increase of inductance and the increase of resistance |
| increases with the decrease of inductance and decrease of resistance |
| increases with decrease of inductance and increase of resistance |
9.The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is |
| 4 kVAR |
| 6 kVAR |
| 8 kVAR |
| 16 kVAR |
10.In an AC. circuit, a low value of kVAR compared with kW indicates |
| low efficiency |
| high power factor |
| unity power factor |
| maximum load current |
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