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दाखिल करना

Physics for IGCSE & O level - Thermal Effects (Section 6 - No. 9)

What is the main type of heat transfer involved in the operation of a refrigerator?
Conduction
Convection
Radiation
Evaporation and condensation

स्पष्टीकरण

Refrigerators use evaporation and condensation of a refrigerant to transfer heat.

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