Questions
A current i flows in a wire of circular cross-section with the free electrons travelling with a drift velocity v. The drift velocity of electron when a current 2 i flows in another wire of twice the radius and of the same material is
Remember concepts with our Masterclasses.
80k UsersReady to Test Your Skills?
Check Your Performance Today with our Free Mock Tests used by Toppers!detailed solution
Correct option is A
The drift velocity is given byVd=ineA=VAgain vd′=2ine(4A)=12ineA=V2Similar Questions
A potential difference is applied across the ends of a metallic wire. If the potential difference doubled, the drift velocity
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
