Electric Generator -Multiple Choice Questions Quiz

Interactive MCQs on “Electric Generator”:

Solve the following 10 questions. Only one option is correct. Click on the “Submit” button when done. Click on the “embed” button to use this quiz on your website. Click on “WhatsApp” to share this quiz.

Question 1: What is an electric generator?

(a) A device that converts electrical energy into mechanical energy
(b) A device that converts mechanical energy into electrical energy
(c) A device that converts nuclear energy into electrical energy
(d) A device that converts light energy into electrical energy

Question 2: What is the primary source of mechanical energy in most electric generators?

(a) Solar power
(b) Wind power
(c) Fossil fuels
(d) Water power (hydropower)

Question 3: Which principle is utilized by an electric generator to generate electricity?

(a) Ohm's law
(b) Newton's third law of motion
(c) Electromagnetic induction
(d) Coulomb's law

Question 4: What is the device called that converts mechanical energy into electrical energy in an electric generator?

(a) Rotor
(b) Stator
(c) Turbine
(d) Commutator

Question 5: Which type of current is commonly generated by electric generators?

(a) Direct current (DC)
(b) Alternating current (AC)
(c) Pulsating current
(d) None of the above

Question 6: How does an electric generator differ from an electric motor?

(a) An electric generator converts electrical energy into mechanical energy, while an electric motor converts mechanical energy into electrical energy.
(b) An electric generator is used for industrial purposes, while an electric motor is used for domestic purposes.
(c) An electric generator produces DC current, while an electric motor produces AC current.
(d) An electric generator is driven by an external mechanical energy source, while an electric motor converts electrical energy into mechanical energy.

Question 7: What type of energy conversion occurs in a hydroelectric power plant?

(a) Chemical energy to electrical energy
(b) Mechanical energy to electrical energy
(c) Nuclear energy to electrical energy
(d) Solar energy to electrical energy

Question 8: Which component in an electric generator is responsible for reversing the direction of current flow in each coil?

(a) Rotor
(b) Stator
(c) Turbine
(d) Commutator

Question 9: In what form is the mechanical energy input usually provided to turn the rotor in an electric generator?

(a) Electrical energy
(b) Solar energy
(c) Wind energy
(d) Mechanical energy from an engine or turbine

Question 10: What is the efficiency of an ideal electric generator?

(a) 100%
(b) 75%
(c) 50%
(d) It varies depending on the type of generator