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If the potential difference between two points is 10 V and the work done to move

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Question: If the potential difference between two points is 10 V and the work done to move a charge of 2 C between these points is: (2020)

Options:

  1. 5 J
  2. 10 J
  3. 20 J
  4. 40 J

Correct Answer: 20 J

Exam Year: 2020

Solution: 

Work done (W) = Charge (Q) × Potential difference (V) = 2 C × 10 V = 20 J.

If the potential difference between two points is 10 V and the work done to move

Practice Questions

Q1
If the potential difference between two points is 10 V and the work done to move a charge of 2 C between these points is: (2020)
  1. 5 J
  2. 10 J
  3. 20 J
  4. 40 J

Questions & Step-by-Step Solutions

If the potential difference between two points is 10 V and the work done to move a charge of 2 C between these points is: (2020)
  • Step 1: Identify the potential difference (V) between the two points, which is given as 10 volts (V).
  • Step 2: Identify the charge (Q) that is being moved, which is given as 2 coulombs (C).
  • Step 3: Use the formula for work done (W), which is W = Q × V.
  • Step 4: Substitute the values into the formula: W = 2 C × 10 V.
  • Step 5: Calculate the work done: W = 20 joules (J).
  • Electric Potential and Work – This concept involves understanding the relationship between electric potential difference, charge, and the work done in moving a charge in an electric field.
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