Everyday Science Medium fpsc ppsc nts

Which everyday item uses a bimetallic strip that bends when heated to control temperature in older thermostats?

  • A Thermostat
  • B Compass
  • C Hygrometer
  • D Barometer
Correct Answer: Option A — Thermostat
Explanation: Older thermostats use a bimetallic strip that bends when heated because two bonded metals expand at different rates triggering a circuit to switch heating or cooling on and off.
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MCQ Details
SubjectEveryday Science
DifficultyMedium
Exam Typesfpsc, ppsc, nts
CorrectOption A
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