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Question: Figure represents a part of the closed circuit. The potential difference between points *A* and *B* ...

Figure represents a part of the closed circuit. The potential difference between points A and B (VA – VB) is

A
  • 9 V
B

– 9 V

C
  • 3 V
D
  • 6 V
Answer
  • 9 V
Explanation

Solution

The given part of a closed circuit can be redrawn as follows. It should be remember that product of current and resistance can be treated as an imaginary cell having emf = iR.

⇒ 7 Hence VA – VB = +9 V

⇒ 7 Hence VA – VB = +9 V