Basic of Electrical Engineering Mcqs
This set of Electrical engineering Multiple Choice Questions & Answers (MCQs) focuses on “Basics of Electrical engineering”. These questions are chosen from a collection of most authoritative and best reference books on Electrical engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Electrical engineering comprehensively.
17. Which quantity should be measured by the voltmeter ?
Current
Voltage
Power
Speed
18. Which quantity consists of a unit 1KWh ?
Energy
Time
Power
Charge
19. Which of the following has no units?
Permeability
Moment of a magnet
Magnetic susceptibility
Ermittivity
Answer & Solution
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20. Which of the following quantities consists of SI unit as WATT ?
Force
Charge
Current
Power
21. Electric pressure is also called________?
Resistance
Power
Voltage
Energy
22. The substances which have a large number of free electrons and offer a low resistance are called____?
Insulators
Inductors
Semi-conductors
Conductors
Answer & Solution
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23. Out of the following which is not a poor conductor__________?
Cast iron
Copper
Carbon
Tungsten
24. Out of the following which is an insulating material____________?
Copper
Gold
Silver
Paper
25. The property of a conductor due to which it passes current is called___________?
Resistance
Reluctance
Conductance
Inductance
Answer & Solution
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26. Conductance is reciprocal of____________?
Resistance
Inductance
Reluctance
Capacitance
Answer & Solution
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27. The resistance of a conductor varies inversely as___________?
Length
Area of cross-section
Temperature
Resistivity
Answer & Solution
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28. With rise in temperature the resistance of pure metals______________?
Increases
Decreases
First increases and then decreases
Remains constant
Answer & Solution
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29. With rise in temperature the resistance of semi-conductors_________________?
Decreases
Increases
First increases and then decreases
Remains constant
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30. The resistance of a copper wire 200 m long is 21 Q. If its thickness (diameter) is 0.44 mm, its specific resistance is around_______________?
1.2 x 10~8 Q-m
1.4 x 10~8 Q-m
1.6 x 10″”8 Q-m
1.8 x 10″8 Q-m
Answer & Solution
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