Physics - Current Electricity Question with Solution | TestHub
PhysicsCurrent ElectricityMicroscopicMedium2 minPYQ_2017
PhysicsMediumsingle choice
Assertion : An electrical bulb starts glowing instantly as it is switched on. Reason : Drift speed of electrons in a metallic wire is very large.
Options:
Answer:
C
Solution:
As the conductor is full of electrons, with slight drift anywhere the queue starts moving. As a result bulb starts glowing instanty. Drift velocity of electrons in a good conductor is very low.
Stream:AIIMSSubject:PhysicsTopic:Current ElectricitySubtopic:Microscopic
⏱ 2mℹ️ Source: PYQ_2017
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