Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoHeat TransferMedium2 min
PhysicsMediumsingle choice
Two rods made of the same material, having the same length and diameter, are joined in series. The thermal power dissipated through them is 2 W. If they are joined in parallel, the thermal power dissipated under the same conditions on the two ends of the rods will be:
Options:
Answer:
B
Solution:
Series resistance is , parallel . The power is inversely proportional to , so it increases 4 times to W. B.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Heat Transfer
⏱ 2m
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