Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Medical
  • A potential difference is applied to a copper wire of length and radius . If is doubled, the drift velocityOption: 1 Is doubled  

A potential difference is applied to a copper wire of length and radius . If is doubled, the drift velocity

Option: 1

Is doubled

 


Option: 2

Is halved

 


Option: 3

Remains same
 


Option: 4

Becomes zero


Answers (1)

best_answer

\mathrm{v_d=\frac{e E}{m} \tau=\frac{e \tau}{m} \frac{V}{l} \Rightarrow v_d \propto V.} If  \mathrm{V}  is doubled, \mathrm{v_d} also gets doubled 

Posted by

vinayak

View full answer

NEET 2024 Most scoring concepts

    Just Study 32% of the NEET syllabus and Score up to 100% marks

Similar Questions

Trending Articles/News

anam-khan

NEET: CBI takes over case of aspirant's death in Patna hostel; FIR registered
anam-khan

NEET 2026 LIVE: UG registration begins at neet.nta.nic.in; documents, photograph, exam schedule, admit card
anam-khan

NEET: Protest at Jantar Mantar seeks impartial probe into student's death in Patna

Latest Question