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Question: Answered & Verified by Expert
In the electric network shown, when no current flows through the 4 Ω resistor in the arm EB, the potential difference between the points A and D will be:

PhysicsCurrent ElectricityJEE MainJEE Main 2015 (11 Apr Online)
Options:
  • A 5 V
  • B 3 V
  • C 4 V
  • D 6 V
Solution:
2873 Upvotes Verified Answer
The correct answer is: 5 V


Assuming potential at B = 0, then w.r.t. B the potential of other points are as shown in figure then

So, VA=9 V and VD=4 V

VA-VD=9-4=5 V

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