McqMate
| Q. |
A kilowatt-hour is unit of – |
| A. | Energy |
| B. | Power |
| C. | Electric charge |
| D. | Electric current |
| Answer» A. Energy | |
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Explanation: Work is defined as a force acting through a distance (a length of space), energy is always equivalent to the ability to exert pulls or pushes against the basic forces of nature, along a path of a certain length. In the International System of Units (SI), energy is measured in joules, but in many fields other units, such as kilowatt-hours and kilocalories, are customary. |
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