Test Index

WAEC Physics 2014 Paper

Question : 14

Total: 48

The S.I unit of power is

Solution:

Concept:

Power is the rate of doing work or transferring energy.

Explanation:

Power measures how quickly work is done or energy is converted.

Its SI unit is the watt, which has the symbol

\mathrm{W}

One watt equals one joule per second:

1\,\mathrm{W} = 1\,\mathrm{J/s}

Hence, the correct unit of power among the options is the watt.

Answer:

C. W

Go to Question:

Prev Question

Next Question