004

De impedantie van de schakeling is

a   500 Ohm
b   300 Ohm
c   400 Ohm
d   700 Ohm

Xc = 1 / [ 2 pi f C]

f = 500/2pi = 80 Hz

Xc = 1 / [ 2 pi 80 5u] =400 Ohm

Z = √ [300*300] + [400*400] = 500 Ohm

029   

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