Question

A student boils water in an electric kettle for 20 minutes. Using the same mains supply, he wants to reduce the boiling time of water. To do so, should he increase or decrease the length of the heating element? Justify your answer.​

Answer 1

The student needs to increase the length of the heating element

Step-by-step explanation:

Increasing the length of the heating elements helps to increase the surface area of the heating elements which allows for more water to come in contact with the heating element