What is the potential difference between two points in an electric field if the

Practice Questions

Q1
What is the potential difference between two points in an electric field if the work done in moving a charge of +2μC is 0.04 J?
  1. 20 V
  2. 10 V
  3. 5 V
  4. 2 V

Questions & Step-by-Step Solutions

What is the potential difference between two points in an electric field if the work done in moving a charge of +2μC is 0.04 J?
  • Step 1: Identify the formula for potential difference (V), which is V = W/q, where W is the work done and q is the charge.
  • Step 2: Note the values given in the question: Work done (W) is 0.04 J and the charge (q) is +2μC.
  • Step 3: Convert the charge from microcoulombs (μC) to coulombs (C). Since 1μC = 10^-6 C, +2μC = 2 × 10^-6 C.
  • Step 4: Substitute the values into the formula: V = 0.04 J / (2 × 10^-6 C).
  • Step 5: Calculate the potential difference: V = 0.04 J / 0.000002 C = 20 V.
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