Electrical Insulators -Multiple Choice Questions Quiz

Interactive MCQs on “Electrical Insulators”:

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: Which of the following materials is a good electrical insulator?

(a) Copper
(b) Aluminum
(c) Glass
(d) Silver

Question 2: What is the main property of electrical insulators?

(a) They allow electric charges to flow easily.
(b) They conduct electricity well.
(c) They prevent the flow of electric charges.
(d) They are magnetic materials.

Question 3: Which of the following materials is commonly used as an electrical insulator in electrical wiring?

(a) Aluminum
(b) Copper
(c) Rubber
(d) Silver

Question 4: Which of these materials is an example of a natural electrical insulator?

(a) Copper
(b) Wood
(c) Silver
(d) Aluminum

Question 5: In electrical devices, insulating materials are commonly used to:

(a) Conduct electricity efficiently.
(b) Allow for easy flow of electrons.
(c) Prevent electrical accidents and shocks.
(d) Generate electric power.

Question 6: Which of the following statements about electrical insulators is true?

(a) Electrical insulators have very low resistivity.
(b) Electrical insulators have very high resistivity.
(c) Electrical insulators have zero resistivity.
(d) Electrical insulators are superconductors.

Question 7: Which material is commonly used as an insulating covering for electrical wires and cables?

(a) Copper
(b) Aluminum
(c) PVC (Polyvinyl Chloride)
(d) Gold

Question 8: What makes a material an effective electrical insulator?

(a) High electrical conductivity
(b) Low electrical resistance
(c) High electron mobility
(d) High band gap energy

Question 9: What happens if an electrical conductor is covered with an insulator?

(a) The current flowing through the conductor increases.
(b) The current flowing through the conductor decreases.
(c) The conductor becomes a superconductor.
(d) The conductor becomes a semiconductor.

Question 10: Which of the following is NOT a characteristic of electrical insulators?

(a) They have high resistivity.
(b) They are used to prevent electric shocks.
(c) They are commonly used as conductors in electrical devices.
(d) They are typically non-metallic materials.