ExamPlay Dark Logo
Prisijunkite

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

Paaiškinimas

C1 + C = 2 + 3 = 5μF
Capacitive reactance =
1/2πfc

X =
1/2π x 500 x 5 x 10-6
= 200

Komentarai (0)

Skelbimas