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Which household appliance works on the principle of vapor compression refrigeration?

easy Q13 of 15
General Science - Physics (Basics)
Which household appliance works on the principle of vapor compression refrigeration?
ARefrigerator
BElectric Heater
CElectric Iron
DElectric Fan
Step-by-Step Solution
  1. Step 1: Identify the refrigeration principle

    Refrigerators use vapor compression refrigeration to transfer heat from inside to outside, cooling the interior.
  2. Step 2: Analyze other appliances

    Electric Heater and Iron convert electricity to heat; Electric Fan converts electricity to mechanical energy.
  3. Final Answer:

    Refrigerator → Option A
  4. Quick Check:

    Refrigerator principle = vapor compression refrigeration ✅
Quick Trick: Refrigerators use compressors and refrigerants for cooling.
Common Mistakes:
  • Confusing refrigerators with heaters or fans based on energy conversion.
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