Question

8) Which of the following is a characteristic of convection?
(a) The heat transfer occurs when the objects are in contact.
(b) Currents are involved in the transfer of heat from one object to
another
(c) Heat transfer occurs without any medium.
(d) It is the fastest mode of heat transfer.​

Answer 1

Answer:

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Explanation:

Heat transfer is classified into various mechanisms, such as thermal conduction, thermal convection, thermal radiation, and transfer of energy by phase changes. ... Heat convection occurs when bulk flow of a fluid (gas or liquid) carries heat along with the flow of matter in the fluid..