
Hambatan Listrik
Presentation
•
Physics
•
9th - 12th Grade
•
Practice Problem
•
Hard
Catur Wulandari
FREE Resource
8 Slides • 0 Questions
1
Hambatan Listrik
Catur Wulandari, S.Si
2
Hambatan Listrik (Resistansi Listrik)
Merupakan kemampuan suatu bahan/benda untuk menghambat aliran arus listrik.
Lambang R dengan satuan ohm (Ω)
3
Jenis hambatan pada rangakain listrik
Resistor
Peralatan Elektronik
Kawat Penghantar
4
Hukum Ohm
“Kuat arus yang mengalir pada suatu penghantar sebanding dengan beda potensial pada ujung-ujung penghantar dan berbanding terbalik dengan hambatan penghantar”
V = beda potensial (Volt)
I = kuat arus (A)
R = hambatan (ohm = Ω )
5
Hambatan pada kawat penghantar
R = hambatan penghantar (W)
r = hambatan jenis penghantar (ohm. m2/m)
l = panjang penghantar (m)
A = luas penampang penghantar (m2)
A=πr^2
6
Hambatan pada kawat penghantar dipengaruhi juga oleh suhu, sehingga:
7
Rangkain Hambatan Seri
Rangkaian ini disebut juga dengan rangkaian pembagi tegangan
8
Rangkain Hambatan Paralel
Rangkaian ini disebut juga dengan rangkaian pembagi kuat arus
Hambatan Listrik
Catur Wulandari, S.Si
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