Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The given potentiometer has its wire of resistance . When the sliding contact is in the middle of the potentiometer wire, the potential drop across <img alt="2 \Omega

The given potentiometer has its wire of resistance 10 \Omega. When the sliding contact is in the middle of the potentiometer wire, the potential drop across 2 \Omega resistor is :
Option: 1 10V
Option: 2 5V
Option: 3 \frac{40}{9}V
Option: 4 \frac{40}{11}V

Answers (1)

best_answer


I= \frac{20}{5+\frac{10}{7}}= \frac{140}{45}
V_{AJ}= I\left ( R_{AJ} \right )= \frac{{140}}{{45}}\times \frac{10}{{7}}
                                = \frac{200}{45}= \frac{40}{9}V
The correct option is (3)

Posted by

vishal kumar

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

JEE Main 2025: BTech CSE cut-offs for PwD candidates at NITs make entry easy; top institutes still selective
anam-khan

73 or 99 percentile? JEE Main result questioned, J-K candidate says, ‘Don’t create hype’
anam-khan

JEE Main 2025: 11 from Kota coaching centres among 24 students with 100 percentile

Latest Question