Physics · Current Electricity
In a potentiometer experiment, when two cells of emfs E1 and E2 (E2 > E1) are connected in series, the balancing length is 160 cm. If the connections of one of the cells are reversed, the balancing length decreases by 75%. If E1 = 1.2 V, then E2 =
- 12 V✓
- 22.4 V
- 31.8 V
- 41.5 V
Correct answer
2 V
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!
Preparing for Physics?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
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