What happens to the potential difference across a capacitor when it is fully cha

Practice Questions

Q1
What happens to the potential difference across a capacitor when it is fully charged?
  1. It becomes zero
  2. It becomes maximum
  3. It becomes minimum
  4. It fluctuates

Questions & Step-by-Step Solutions

What happens to the potential difference across a capacitor when it is fully charged?
  • Step 1: Understand what a capacitor is. A capacitor is a device that stores electrical energy.
  • Step 2: Know that a capacitor has two plates and a potential difference (voltage) across these plates.
  • Step 3: When a capacitor is connected to a power source, it starts to charge up.
  • Step 4: As the capacitor charges, the potential difference across its plates increases.
  • Step 5: The charging continues until the capacitor is fully charged.
  • Step 6: When fully charged, the potential difference reaches its maximum value.
  • Step 7: After reaching this maximum, the potential difference remains constant until the capacitor is discharged.
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