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Electrical Engineering Most Important MCQs
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700+ important questions on Electrical Engineering.

Electrical Engineering Most Important MCQs
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25 Questions

1. As compared to a lead-acid cell, the efficiency of a nickel-iron cell is less due to its
2. The property of a conductor due to which it passes current is called
3. The bearings used to support the rotor shafts are generally
4. The self-inductance of the coil may be defined as equal to the e.m.f. induced in volts when the current in the circuit changes at the rate of unit weber turns.
5. Undercharging
6. The main factor which leads to unstable parallel operation of flat and over compounded generators is
7. The terminal voltage of a series generator is 150 V when the load current is 5 A. If the load current is increased to 10 A, the terminal voltage will be
8. A mica capacitor and a ceramic capacitor both have the same physical dimensions. Which will have more value of capacitance ?
9. Hard steel is suitable for making permanent magnets because
10. Which circuit element(s) will oppose the change in circuit current ?
11. A separately excited generator as compared to a self-excited generator
12. The electric field at a point situated at a distance d from straight charged conductor is
13. The dielectric constant (relative permittivity) of glass is given by
14. Cells are connected in parallel to
15. An average voltage of 10 V is induced in a 250 turns solenoid as a result of a change in flux which occurs in 0.5 second. The total flux change is
16. Energy stored in the electric field of a capacitor C when charged from a D.C source of voltage V is equal to joules
17. The body of Edison cell is made of
18. Current changing from 8 A to 12 A in one second induced 20 volts in a coil. The value of inductance is
19. Excessive charging a battery tends to
20. Two resistors are said to be connected in series when
21. The type of D.C. motor used for shears and punches is
22. During discharge, the active material of both the positive and negative plates is changed to
23. Bulbs in street lighting are all connected in
24. of electrolytelndicates the state of charge of the battery
25. Which is the most superior dielectric out of the following ?

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