What is the potential difference across a capacitor if it stores 20 µC of charge

Practice Questions

Q1
What is the potential difference across a capacitor if it stores 20 µC of charge and has a capacitance of 5 µF?
  1. 4 V
  2. 5 V
  3. 2 V
  4. 10 V

Questions & Step-by-Step Solutions

What is the potential difference across a capacitor if it stores 20 µC of charge and has a capacitance of 5 µF?
  • Step 1: Identify the charge stored in the capacitor, which is given as 20 µC (microcoulombs).
  • Step 2: Identify the capacitance of the capacitor, which is given as 5 µF (microfarads).
  • Step 3: Use the formula for potential difference (V) across a capacitor, which is V = Q / C.
  • Step 4: Substitute the values into the formula: V = 20 µC / 5 µF.
  • Step 5: Calculate the result: 20 µC divided by 5 µF equals 4 V.
  • Step 6: Conclude that the potential difference across the capacitor is 4 V.
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