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Description
Flashcards by Fatima Waseem, updated more than 1 year ago
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Created by Fatima Waseem
almost 7 years ago
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| Question | Answer |
| 5.2 Energy Efficiency | 9uhdsbvjbjdvkhfduhvksdc |
| What is energy Efficiency | How much input energy is converted into useful output energy. |
| what is the useful energy when using an electric toothbrush? | Kinectic Energy |
| that type of energy is wasted | sound Energy & Heat Energy |
| What is the useful energy when using an iPad | sound Energy & Light Energy |
| What type of energy is wasted | Heat Energy |
| What unit of meaurement is used to measure Energy | Joules |
| Energy Rating Label | A label that uses stars to show how energy efficient the appliance is |
| What appliances have an energy rating label? | 1)Microwave 2)Fridge 3)Freezer 4) Washing Machine |
| What is the national house energy rating scheme? | A scheme that uses computers to simulate a rating of stars based on how energy efficient a house is. |
| What are some ways to keep your house energy efficient? | |
| What is regenerative braking | When the kinetic energy of the brakes in the car is converted into chemical energy for the car's engine.. |
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