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Teknik Dasar Listrik Telekomunikasi

Sarana Pendidikan Teknologi Aceh 2016-2020

Sarana Pendidikan Teknologi Aceh 2016-2020

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TEKNIK DASAR LISTRIK TELEKOMUNIKASI<br />

Gambar 2.27: Prinsip dasar motor DC<br />

Jikapolaritas aliran listrik dibalik positif dan negatifnya,maka kawat akan<br />

bergerak kearahberlawananpanahF.<br />

F= B.L.I<br />

F gayamekanik<br />

(Newton)<br />

B kerapatanflukmagnet (Tesla)<br />

L panjangpenghantar (meter)<br />

I arus<br />

(amper)<br />

1. Kutubmagnetutara<br />

dankutubselatanterbentukgarismedanmagnetdarikutub<br />

utarakekutubselatansecarameratagambar-28a.<br />

Gambar 2.28: Prinsip timbulnya torsi motor DC<br />

2. SebatangpenghantaryangdiberikanaruslsitrikDCmengalirmeninggalk<br />

ita (tanda panah) prinsip elektromagnetik disekitar penghantar<br />

timbulmedan magnetarahkekanangambar-28b.<br />

22

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