Physics Past Questions and Answers

An electric heating coil rated at 1Kw is used to heat 2kg of water for 2 minutes. The initial water temperature is 30\(^o\)C. Taking the specific heat of the water as 4,000Jkg \(^{-1}\) and neglecting that of the container, the final water temperature is

What flows to the earth by connecting the conductor to the earth?

Temperature is the property of a body which is proportional to the ____.

The product of force and time is?

Which of the following concepts is not an evidence of the particles nature of matter?