jj_02_03_006v_002 Casio fx-82NL
┘
Xc = 1 / [ 2 pi f C]
f = 500 / 2pi = 80 Hz
Xc = 1 / [ 2 pi 80 5
exp-6
] =400 Ohm
1 2 x 7 x 80 x 5 -6 397 = 400 Ohm
397 + 300 497 = 500 Ohm
400 + 300 500 Ohm