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sci sc 9
| Question | Answer |
|---|---|
| Electrical power | the rate at which electric energy is transferred by an electric circuit. |
| joule | symbol J, is a derived unit of energy |
| circuit junction | The place were pathways separate or join in parallel circuit. the sum of the currents. must equal that which flows out of it. |
| kilowatt hour | The product of kilowatts of power in kilowatts and time in hours.KW H = 1.0 KW x 1 hour. |
| parallel circuit | a looping circuit that has more than one way for energy to flow. |
| power | is defined as the rate of change in energy. Also the rate of work is done. |
| power rating | a measurement of how much electric energy an electrical device consumes per second |
| series ciruciut | A circuit that only has one path to travel. |
| watt | energy transformed in one second. symbol is W |