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From the diagram above, calculate the energy stored in the capacitor



From the diagram above, calculate the energy stored in the capacitor
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 4.0 x 10\(^{-2}\)J
  • B 4.0 x 10\(^{-4}\)J
  • C 8.0 x 10\(^{-4}\)J
  • D 8.0 x 10\(^{-2}\)J
Correct Answer: Option B
Explanation:
c = 8µF, v = 10v
Energy stored = \(\frac{1}{2}\) cv2
= \(\frac{1}{2}\) × (8 × 10− 6) × 102
= 4 × 10\(^{-4}\)

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