

MCQOPTIONS
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1. |
In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains |
A. | ength of heating element should be decreased |
B. | ength of heating element should be increased |
C. | ength of heating element has no effect on heating if water |
D. | one of the above |
Answer» B. ength of heating element should be increased | |