Rabu, 31 Desember 2014

Giancolli 61



Hai Readers,,
Today I will share to you about one question in Giancolli book. This question is related with electricity. Let’s take a look to this question!

61. Plot / gambarkan grafik impedansi kapasitor 1,0 μF sebagai fungsi frekuensi dari 10 – 100 Hz! (Indonesia)
61. Plot  graphic impedancy of capacitor 1,0 μF as function of frequency from 10 – 100 Hz!

Answer:
We know that impedancy is related to reactancy. Reactancy includes inductive reactancy (XL) and capacitive reactancy (XC).
Because in the question, we know the value of capasitor, so we can use formula of capacitive reactancy (XC).
XC = 1 / 2 Π f c
Notes : f = frequency (Hz) , c = capacitor (F)
This is the result :
XC (10) = 16 x 103 Ώ               XC (60) = 2,7 x 103 Ώ
XC (20) = 8 x 103 Ώ                 XC (70) = 2,3 x 103 Ώ
XC (30) = 5 x 103 Ώ                 XC (80) = 2,0 x 103 Ώ
XC (40) = 3,9 x 103 Ώ              XC (90) = 1,8 x 103 Ώ
XC (50) = 3,2 x 103 Ώ              XC (100) = 1,6 x 103 Ώ

This graphic is
 

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