6th Class
Science
Electricity and Circuits
Question Bank
Electricity
question_answer
DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage -1 Those materials which do not allows electric current to pass through them are called insulators e.g., air, cork, rubber, thermocole, paper, etc. Insulators are used for covering electrical wires, plug tops, switches and other parts of electrical appliances. Air is an insulator of electricity because air have no-
A)electrons
B) free electrons
C)protons
D) None of these
Correct Answer:
B
Solution :
free electrons are required to conduct electricity.