Work and Energy...

Complete the following sentence:
The kinetic energy of a body is the energy by virtue of its______ .

Which one of the following is not the unit of energy?

An electric heater is rated $1500 \ W$. How much energy does it use in $10 \ hours$ ?

A body at maximum height possesses:

An electric lamp is marked $60\ W,\ 220\ V$. The cost of kilo watt hour of electricity is $Rs.\ 1.25$. The cost of using thing lamp on $220\ V$ for $8\ hrs$ is:

The ratio of the total work done or total energy consumed to the total time taken is called:

When a work of 1 joule is done in 1 s, the power is:

The SI unit of energy is:

1 kilowatt hour $=$ ___________ .

Find the energy in $kWh$ consumed in $10$ hours by four devices of power $500\ W$ each.