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Question: Answered & Verified by Expert
A steady current is set up in a metallic wire of non-uniform cross-section. The rate of flow of electrons (R) related to the area of cross-section (A
PhysicsCurrent ElectricityNEET
Options:
  • A RA-1
  • B RA
  • C RA2
  • D R is independent of A
Solution:
2651 Upvotes Verified Answer
The correct answer is: RA-1
Rate of flow of electrons in a conductor is low but the number density of free electrons in a conductor is very high. The drifting of electrons over the entire length of the conductor contributes to the current throughout the conductor

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