In a refrigerator, the work done on the system is used to:
Practice Questions
1 question
Q1
In a refrigerator, the work done on the system is used to:
Increase the internal energy
Decrease the internal energy
Transfer heat from cold to hot
Transfer heat from hot to cold
In a refrigerator, work is done on the system to transfer heat from a colder body to a hotter body, which is against the natural flow of heat.
Questions & Step-by-step Solutions
1 item
Q
Q: In a refrigerator, the work done on the system is used to:
Solution: In a refrigerator, work is done on the system to transfer heat from a colder body to a hotter body, which is against the natural flow of heat.
Steps: 5
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.