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lf the frequency of the a.c. circuit illustrated is 500Hz/ π what would be the...

Physics
WAEC 1992

lf the frequency of the a.c. circuit illustrated is 500Hz/ π what would be the reactance in the circuit?
  • A. 0.01Ω
  • B. 190.91 Ω
  • C. 200.00 Ω
  • D. 795.46 Ω
  • E. 1000.00Ω
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Correct Answer: Option C
Explanation
C1 + C = 2 + 3 = 5μF
Capacitive reactance =
1/2πfc

X =
1/2π x 500 x 5 x 10-6
= 200

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