Electrical Engineering : Circuits And Circuit Theory QUESTIONS AND ANSWERS :: part4 : 1 to 5
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
1.An A.C. voltage is impressed across a pure resistance of 3.5 ohms in parallel with a pure inductance of impedance of 3.5 ohms, |
| the current through the resistance is more |
| the current through the resistance is less |
| both resistance and inductance carry equal currents |
| none of the above |
2.A parallel AC. circuit in resonance will |
| have a high voltage developed across each inductive and capacitive section |
| have a high impedance |
| act like a resistor of low value |
| have current in each section equal to the line current |
3.A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to |
| the capacitive reactance in ohms |
| the current flowing in capacitor |
| the size of the capacitor being quite big |
| the statement is incorrect |
4.The frequency of an alternating current is |
| the speed with which the alternator runs |
| the number of cycles generated in one minute |
| the number of waves passing through a point in one second |
| the number of electrons passing through a point in one second |
5.Wire-wound resistors are unsuitable for use at high frequencies because they |
| create more electrical noise |
| are likely to melt under excessive eddy current heat |
| consume more power |
| exhibit unwanted inductive and capacitive effects |
More Circuits And Circuit Theory QUESTIONS AND ANSWERS available in next pages
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