MCQ
Across a metallic conductor of non-uniform cross section a constant potential difference is applied. The quantity which remains constant along the conductor is
- Acurrent density
- ✓current
- Cdrift velocity
- Delectric field
✓
Answer
Correct option: B.
current
b
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.
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.
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