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What is the energy stored in a capacitor of 4 µF charged to a voltage of 12 V?

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Question: What is the energy stored in a capacitor of 4 µF charged to a voltage of 12 V?

Options:

  1. 0.288 mJ
  2. 0.576 mJ
  3. 0.144 mJ
  4. 0.072 mJ

Correct Answer: 0.576 mJ

Solution: 

Using the formula U = 1/2 * C * V^2 = 1/2 * 4 x 10^-6 F * (12 V)^2 = 0.288 mJ.

What is the energy stored in a capacitor of 4 µF charged to a voltage of 12 V?

Practice Questions

Q1
What is the energy stored in a capacitor of 4 µF charged to a voltage of 12 V?
  1. 0.288 mJ
  2. 0.576 mJ
  3. 0.144 mJ
  4. 0.072 mJ

Questions & Step-by-Step Solutions

What is the energy stored in a capacitor of 4 µF charged to a voltage of 12 V?
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