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A capacitor is charged to a potential of 12 V. If the capacitance is 4 µF, what is the energy stored in the capacitor?

Practice Questions

1 question
Q1
A capacitor is charged to a potential of 12 V. If the capacitance is 4 µF, what is the energy stored in the capacitor?
  1. 0.24 mJ
  2. 0.48 mJ
  3. 0.12 mJ
  4. 0.36 mJ

Questions & Step-by-step Solutions

1 item
Q
Q: A capacitor is charged to a potential of 12 V. If the capacitance is 4 µF, what is the energy stored in the capacitor?
Solution: Energy stored U = 1/2 CV² = 1/2 * 4 x 10^-6 F * (12 V)² = 0.24 mJ.
Steps: 0

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