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In a refrigerator, the work done on the system is used to:

Practice Questions

Q1
In a refrigerator, the work done on the system is used to:
  1. Increase the internal energy
  2. Decrease the internal energy
  3. Transfer heat from cold to hot
  4. Transfer heat from hot to cold

Questions & Step-by-Step Solutions

In a refrigerator, the work done on the system is used to:
  • Step 1: Understand that a refrigerator is a machine that keeps things cold.
  • Step 2: Know that heat naturally moves from hot areas to cold areas.
  • Step 3: Realize that a refrigerator needs to move heat from inside (cold) to outside (hot).
  • Step 4: Learn that to move heat from cold to hot, the refrigerator needs energy or work done on it.
  • Step 5: Conclude that the work done on the refrigerator helps it transfer heat against the natural flow.
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