InterviewSolution
Saved Bookmarks
| 1. |
A steady current flows through the conductor of variable cross-sectional area. Now select the correct options.A. The value of current is same through the cross sections 1,2, and 3B. The current density is the maximum at the cross sections 3C. The drift velocity is greater at the cross-section 1D. The electric field is maximum at the cross section 3. |
|
Answer» Correct Answer - A::B::D `I=nAv_(d)e` `v_(d)=(I)/(nAe)` We know for a conductor during the flow of steady current, `E=(v)/(e)=(Ri)/(l)` `E=(eli)/(Axxl)=(ei)/(A)` `therefore` electric field is maximum at cross-section (3) |
|