5360240
Beschreibung
Karteikarten von Princess Terin, aktualisiert more than 1 year ago
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Erstellt von Princess Terin
vor mehr als 8 Jahre
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| Frage | Antworten |
| What is defined as ‘the energy transferred per second’ and is measured in watts? | Power |
| What is measured in kilowatt hours? | Energy from the mains supply. |
| Give one advantage of low energy appliances. | cost efficiency, saving energy and resources. |
| Give one disadvantage of low energy appliances. | initial cost, use of extra resources to manufacture new device, cost of disposal of old device |
| State the 8 types of energy. | Heat, light, sound, nuclear, kinetic, potential, chemical, electrical |
| Define efficiency. | The proportion of energy usefully transferred. |
| For an object to remain at a constant temperature, what must be balanced? | The amount of power radiated as absorbed. |
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