What is the energy stored in a capacitor with capacitance C charged to voltage V

Practice Questions

Q1
What is the energy stored in a capacitor with capacitance C charged to voltage V?
  1. 1/2 CV
  2. CV
  3. 1/2 C/V
  4. C/V

Questions & Step-by-Step Solutions

What is the energy stored in a capacitor with capacitance C charged to voltage V?
  • Step 1: Understand that a capacitor is a device that stores electrical energy.
  • Step 2: Know that capacitance (C) is a measure of how much charge a capacitor can store per unit voltage.
  • Step 3: Recognize that voltage (V) is the electrical potential difference across the capacitor.
  • Step 4: Learn the formula for the energy (U) stored in a capacitor, which is U = 1/2 CV².
  • Step 5: In the formula, C is the capacitance and V is the voltage. You multiply C by the square of V.
  • Step 6: Finally, multiply the result by 1/2 to find the total energy stored in the capacitor.
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