Power

In 40 kW, there are how many watts?

If a light uses energy of $100 \mathrm{J}$ and remains on for $25 \mathrm{s}$ Of time, then what is the power consumed by the light ?

If a pump can lift $200 \mathrm{kg}$ of water through a height of $6 \mathrm{m}$ in $10$ seconds, then its power is

$1$ Horse Power (HP) $=$ ..... Watt.

The SI unit of power is .....

A $12.0$ V battery causes a current of $5.0$ A to flow through a lamp. What is the power used by the lamp?

$1$ Horsepower $\left(\mathrm{Hp}\right)= \mathrm{\_\_}?\mathrm{\_\_}$ watts $\left(\mathrm{W}\right)$

By using which of the following formula, the unit of power can be accomplished?

$1 \mathrm{W} = \mathrm{\_\_}?\mathrm{\_\_}$calories per seconds.

What among the following does not come under the six classical simple machines that were defined by Renaissance scientists?

_____ is the SI unit of power density.

 is the given formula for electrical power, where V(t) denotes _____.

$\text{P(r)}=\text{I}\left(4\mathrm{\pi }{\text{r}}^2\right)$ is related to _____.

Through which of the following equipment chemical energy is transformed into electrical energy?

Cotyledons are also called-