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Question
Differentiate between energy and power.
Solution
| Energy | Power | |
| 1. | The energy of a body is its capacity to do work. | The power of a source is the energy spent by it in 1s. |
| 2. | Energy spent does not depend on time. | Power spent depends on the time in which energy is spent. |
| 3. | S.I unit of energy is the joule (J). | S.I unit of power is watt (W) |
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