Physics-
General
Easy

Question

Determine the potential at point B, assuming point A to be at zero potential
<img src="https://mycourses.turito.com/tokenpluginfile.php/c161933dbfaab094c54655ab71e9b8f0/1/question/questiontext/869608/1/201040/Picture9.jpeg" alt="" width="160" height="108"

  1. 2 V    
  2. 4 V    
  3. 8 V    
  4. 6 V    

The correct answer is: 2 V


    From the loop BDCR1B, we get
    2 ´ 2 + 3R1 = 4
    R1 = 0
    \ VB = VC = 2 – VA = 2 – 0 = 2 V

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