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It requires 4 J of work to move a charge of 20 C from point A to point B, separated by a distance of 0.2 cm. The potential difference between A and B in volts​
  • a)
    0.2
  • b)
    16
  • c)
    5
  • d)
    80
Correct answer is 'A'. Can you explain this answer?
Verified Answer
It requires 4 J of work to move a charge of 20 C from point A to point...
Potential difference between two points is given by
Va - Vb = W/q0
Work, W = 2 J
Charge, q0 = 20 C
Potential difference = 2/20 = 0.1 V
The correct option is C.
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Most Upvoted Answer
It requires 4 J of work to move a charge of 20 C from point A to point...
Calculation of potential difference:
- The work done in moving a charge from point A to point B is given as 4 J.
- The charge moved is 20 C.
- The distance between the points A and B is 0.2 cm (which is 0.002 m).

Formula:
The work done (W) in moving a charge (Q) across a potential difference (V) is given by the formula:
W = Q * V

Substitute the values:
4 J = 20 C * V
V = 4 J / 20 C
V = 0.2 V

Conclusion:
The potential difference between points A and B is 0.2 volts.
Therefore, the correct answer is option 'A'.
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Community Answer
It requires 4 J of work to move a charge of 20 C from point A to point...
PD = work done ÷ charge in Coulomb = 4÷ 20 = 0.2 volt
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It requires 4 J of work to move a charge of 20 C from point A to point B, separated by a distance of 0.2 cm. The potential difference between A and B in volts​a)0.2b)16c)5d)80Correct answer is 'A'. Can you explain this answer?
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