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What is the total energy stored by the capacitors?

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Physics WAEC 2001

What is the total energy stored by the capacitors?

  • 2.0 x 10-4J
  • 1.0 x 10-4J
  • 9.0 x 10-2J
  • 1.0 x 10-2J checkmark

The correct answer is: D

Explanation

Energy = \(\frac{1}{2}CV^2 = \frac{1}{2} \times 2 \times 10^{-6} \times 100^2\)

= 1.0 x 10-2J
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