In an electric kettle water boils in 10 m minutes. It is required to boil the boiler in 15 minutes, using same supply mains________?
Anone of the above
Blength of heating element should be increased
Clength of heating element has no effect on heating if water
Dlength of heating element should be decreased
Correct answer
D. length of heating element should be decreased
Explanation
The correct answer is length of heating element should be decreased.