Question

By the process of convection the transfer of heat is always-

A

upwards

B

downwards

C

sideways

D

in all possible directions

Easy

Solution

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Correct option is A)

By the process of convection the transfer of heat is always upwards.
Liquid and gases are bad conductors of heat. They are heated mainly by the process of convection. Solids can't be heated by the process of convection, In the process of convection the transfer of heat is always vertically upwards.

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