If a capacitor is fully charged and then short-circuited, what happens to the st

Practice Questions

Q1
If a capacitor is fully charged and then short-circuited, what happens to the stored energy?
  1. It is released as heat
  2. It is stored in the circuit
  3. It remains in the capacitor
  4. It is lost

Questions & Step-by-Step Solutions

If a capacitor is fully charged and then short-circuited, what happens to the stored energy?
  • Step 1: Understand that a capacitor stores electrical energy when it is charged.
  • Step 2: When the capacitor is fully charged, it has a certain amount of energy stored in it.
  • Step 3: A short circuit means connecting the two terminals of the capacitor directly with a wire, allowing current to flow freely.
  • Step 4: When the capacitor is short-circuited, the stored energy starts to flow out of the capacitor.
  • Step 5: As the energy flows out, it creates a current in the circuit.
  • Step 6: This current generates heat due to the resistance in the circuit.
  • Step 7: Eventually, all the stored energy is converted into heat and dissipated into the surroundings.
  • Capacitor Behavior – Understanding how a capacitor behaves when short-circuited, including the release of stored energy.
  • Energy Conversion – Knowledge of how electrical energy stored in a capacitor is converted into heat energy during a short circuit.
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