Physics · Current Electricity
The potential difference across a conducting wire of length 20 cm is 30 V. If the electron mobility is 2 × 10-6 m2V-1s-1, then the drift velocity of the electrons is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
Share:
- 13 × 10-4 ms-1✓
- 21.5 × 10-4 ms-1
- 31.5 × 10-3 ms-1
- 43 × 10-3 ms-1
Correct answer
3 × 10-4 ms-1
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
👥
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Online Test Series
Start Free Mock Test →Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Chapter Practice
Practice Current Electricity MCQs →Want more practice questions on Current Electricity?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Physics · Current Electricity