The metal aluminum coils in an air conditioner conduct thermal energy from inside the house and release it outside the house. What can be said about the coils when they are accepting the heat inside the house?

A. They must be warmer than the air inside the house.
B. They must be cooler than the air inside the house.
C. They must have more thermal energy than the air inside the house.
D. They must be more insulated than the air inside the house.

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When accepting heat inside the house, the aluminum coils in an air conditioner must be cooler than the indoor air to facilitate the process of transferring thermal energy.

Explanation:

When aluminum coils in an air conditioner are accepting heat inside the house, they must be cooler than the air inside the house.

This is because the coils function by transferring thermal energy from inside to outside, which means they are absorbing heat from the indoor air to release it outside.

This process helps in cooling the indoor environment by removing thermal energy, making the coils cooler than the air inside.

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