| (i) Switch off the air conditioner and open the refrigerator door to cool the house. |
| (ii) Use the electric iron to iron just one or two clothes at a time. |
| (iii) Connect more than one electric appliance to one power point. |
A) Only (i) and (ii)
B) Only (ii) and (iii)
C) Only (i) and (iii)
D) (i),(ii) and (iii)
Correct Answer: D
Solution :
(i) A refrigerator is meant to keep food items fresh. Hence, it should not be used to cool the house. (ii) An electric iron should be used to iron many clothes at a time. This helps to save electricity. (iii) An electrical appliance should be connected to a single power point only. If too many electrical appliances are connected to a single socket, it results in overloading. The copper wires of household wiring may get heated due to overloading resulting in very high temperature that may cause fire.
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