PH-715
Convection
Physics · Secondary 3 · Easy · Convection
The cooling pipes at the top of a refrigerator contain very cold fluid. How do these pipes cause the air inside the refrigerator to become cool?
- By conduction through the door seal only.
- By convection currents set up as cooled air sinks and warmer air rises.
- By radiation of visible light from the pipes.
- By increasing the air pressure inside the fridge.
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