The metal body of appliances are connected to an earth wire so that any leakage of current to the body of the appliance goes to the earth and does not give electric shock. This is called earthing.
1. In which of the following devices will you find earthed wires?
a. Refrigerator
b. Cooler
c. Mixer
d. All of the above
2. Earthing is a ______ measure.
a. Unsafe
b. Safety
c. Eco-friendly
d. Polluting
3. What is the advantage of earthing?
a. It prevents pollution
b. It prevents soil erosion
c. It prevents electric shocks
d. All of the above
4. Which part of the appliances is connected to the earth wire?
a. Non metal body
b. Metal body
c. High heat body
d. Cold body
5. What type of path does an earth wire provide for the current?
a. Low resistance conducting path
b. Low resistance insulating path
c. High resistance conducting path
d. High resistance insulating path
