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Energy - Electrical Engineering MCQs

Energy MCQs : Here you will find MCQ Questions related to "Energy" in Electrical Engineering. These Energy MCQ Questions Will help you to improve your Electrical Engineering knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.

Question 1

Electrical energy is energy derived from ?

A. electric potential energy
B. kinetic energy
C. Both A and B
D. None of the above

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Question 2

________________ is the process of generating electrical energy from other forms of energy.

A. Electricity generation
B. heat
C. Energy
D. Motion

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Question 3

The fundamental principle of electricity generation was discovered by?

A. Benjamin Franklin
B. Joseph Priestley
C. Alessandro Volta
D. Michael Faraday

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Question 4

A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?

A. 60J
B. 30KJ
C. 60KJ
D. 1KJ

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Question 5

Out of the following, which one is not a source of electrical energy?

A. Solar cell
B. Battery
C. Potentiometer
D. Generator

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Question 6

Which among the following is an expression for energy?

A. V^2*I*t
B. (V^2*I)/t
C. V^2*R*t
D. (V^2*t)/R

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Question 7

A battery converts___________

A. Chemical energy to electrical energy
B. Electrical energy to chemical energy
C. Mechanical energy to electrical energy
D. Chemical energy to mechanical energy

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Question 8

A current of 2A flows in a wire offering a resistance of 10ohm. Calculate the energy dissipated by the wire in 0.5 hours.

A. 72Wh
B. 72kJ
C. 7200J
D. 72kJh

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Question 9

Once converted from potential energy, electrical energy can always be called another type of energy (heat, light, motion, etc.).

C. Can be true or false
D. Can not say

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Question 10

Electrical energy is usually sold by the watt hour (1 W·h = 3.6 J) which is the product of the power in kilowatts multiplied by running time in hours.

C. Can be true or false
D. Can not say

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