What is the work done in moving a charge of +2μC through a potential difference

Practice Questions

Q1
What is the work done in moving a charge of +2μC through a potential difference of 5V?
  1. 10 μJ
  2. 5 μJ
  3. 2 μJ
  4. 1 μJ

Questions & Step-by-Step Solutions

What is the work done in moving a charge of +2μC through a potential difference of 5V?
Correct Answer: 10 μJ
  • Step 1: Identify the charge being moved. In this case, it is +2μC (microcoulombs). Convert this to coulombs: +2μC = 2 × 10^-6 C.
  • Step 2: Identify the potential difference through which the charge is moved. Here, it is 5V (volts).
  • Step 3: Use the formula for work done, which is W = q * V, where W is work, q is charge, and V is potential difference.
  • Step 4: Substitute the values into the formula: W = (2 × 10^-6 C) * (5 V).
  • Step 5: Calculate the result: W = 10 × 10^-6 J, which is equal to 10 μJ (microjoules).
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