Question

A fixed mass of water is heated by an electric heater of unknown power P. The following quantities are measured

I. mass of water
II. increase in water temperature
III. time for which water is heated.

In order to calculate P, the specific heat capacity of the water is required. Which are also required?

Answer 1

Answer:

I. A fixed mass of water is heated by an electric heater of unknown power P because mass of water measured.

III. In order to calculate P, the specific heat capacity of the water is required because time for which water is heated.