Questions
Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which remains constant along the conductor is
a
drift velocity
b
electric field
c
current density
d
current
detailed solution
Correct option is D
The area of cross section of conductor is non uniform so current density will be different but the flow of electrons will be uniform so current will be constant.Talk to our academic expert!
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A current of 4.8 amp. is flowing in a conductor. The number of electrons flowing per second through the conductor will be
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