πŸ“Š Physics
Q. A thermostat is a device which is used for
  • (A) Decreasing the temperature in an appliance
  • (B) Absorbing undesirable heat
  • (C) Switching off an appliance
  • (D) Maintaining a desired temperature in an appliance
βœ… Correct Answer: (D) Maintaining a desired temperature in an appliance

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