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. We can turn OFF the switch without getting an electric shock because

• A. it is covered with an insulating material
• B. it is covered with conducting material
• C. our hand is bad conductor of electricity
• D. None of these