002

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 5^exp-6] =397 = 400 Ohm

Z = √ [300 x 300] + [400 x 400] = 500 Ohm

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Casio fx-82NL

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