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ajay kumar Grade:
        steady current flows in a metallic conductor of non uniform cross section. the quantities which remain constant along the length of conductor. 
7 years ago

Answers : (3)

Rahul askIITiansExpert.IITR
110 Points
										I cudn't get your question.

are there any options in this question

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Rahul- IIT Roorkee
7 years ago
Gokul Joshi AskiitiansExpert-IITK
42 Points
										

Dear Ajay,


It would have been nice if you posted the options as well but lets see. 

To begin with lets count the possibilities:


1. Current: yes, else there will be accumulation of charge in the cross-sections 
2. Current density: no, coz cross-section is changing
3. Drift Speed: No, coz I=neAvd and as A increases vd must decrease to keep I constant
4. Electric Field: No, Is a vector and if the wire has non uniform cross-section then it can't remain in one direction
5. Electric Field Magnitude: No, coz vd is proportional to E and if vd is not constant then E can't be


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7 years ago
Joy
34 Points
										only current will remain const
										
3 years ago
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