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Friday, 06 March 2026
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Three capacitors of capacitance 2μF, 4μFand ...

Three capacitors of capacitance 2μF, 4μFand 8μF are connected in parallel and a P.D of 6V is maintained across each capacitor, the total energy stored is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 2.52 x 10-6J
  • B 6.90 x 10-6J
  • C 2.52 x 10-4J
  • D 6.90 x 10-4J
Correct Answer: Option C
Explanation:

C = C1 + C2 + C3

= 2 + 4 + 8 = 14μF

V = 6V

Energy = 1/2CV2

1/2 x 14 x 10-6 x 62

= 2.52 x 10-4 J

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