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WAEC - Physics (1992 - No. 51)
lf the frequency of the a.c. circuit illustrated is 500Hz/ π what would be the reactance in the circuit?
0.01Ω
190.91 Ω
200.00 Ω
795.46 Ω
1000.00Ω
Maelezo
C
1
+ C = 2 + 3 = 5μF
Capacitive reactance =
1
/
2πfc
X =
1
/
2π x 500 x 5 x 10
-6
= 200
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