Question

How do double walls of refrigerator prevent heat from outside to enter
Answer quickly and shortly

Answer 1

Answer:

The cushion of air in said space is, in effect, an insulator under summer operating cohditions, preventing transmission of heat through the outer walls from reaching the refrigerated space.

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Answer 2

the double wall of the refrigerator prevent heat from outside to enter inside.

Explanation:

• This is because the entry of the heat inside occurs by conduction or convection. There is a vacuum which is created between the two walls of the refrigerator.
• Since conduction and convection requires a material medium for its transfer hence the transfer of heat will not take place if there is vacuum that is there is no material medium. So there is better maintenance of heat

To know more,.

Calculate the heat generated if a charge of 80,000 C is transferred ...

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