Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesEasy2 minQB
PhysicsEasysingle choice
A ceiling fan runs for an hour in a closed, thermally insulated room. What happens to the room temperature?
Options:
Answer:
B
Solution:
The room is closed and insulated. The electrical work done by the motor is finally dissipated as heat through friction and air viscosity, so the room warms slightly. B.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases
⏱ 2mℹ️ Source: QB
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