• Electrical Engineering Reference

# 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

Question 2

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

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

Question 3

The fundamental principle of electricity generation was discovered by?

A. Benjamin Franklin
B. Joseph Priestley
C. Alessandro Volta

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

Question 5

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

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

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

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

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

Question 9

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

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say