Physics
Grade-10
Easy
Question
What is the wasted energy when a fridge is turned on?
- Electrical
- Sound
- Chemical
- Light
Hint:
Heat and sound
The correct answer is: Sound
- The energy source is electrical power, which would then produce kinetic energy to work the pumps, which would circulate the refrigerant.
- This reduces the heat in the fridge, increasing the external heat. The wasted energy of the the fridge would be heat and sound.
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