Transfer of heat energy from a heater coil to the cooking vessel takes place through the process of ________.
A
convection only
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B
conduction and convection only
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C
radiation and convection only
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D
convection, conduction and radiation
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Solution
The correct option is C radiation and convection only The heater coil radiates heat.
It also transfers heat to the food being cooked, by convection of water inside the vessel. Here, the heated water becomes less denser and moves upward, and colder water goes downwards towards the heat source.