170
Mudah dan Aktif Belajar Fisika untuk Kelas X
2
A. Arus Listrik dan Muatan
8=30B4;074?4;0908:=A4?:C0B0CA30=B460=60= ;8AB8:0301018=8=300:0=:410;84?4;0908=F0;41874=30;0
?0:070CA;8AB8:8BC06080=07C1C=60==F034=60=B460=60= ;8AB8:06080=0=304=64B07C814A0=F00CA;8AB8:F0=64=60;8
30;0AC0BC0=6:080=B4BCBC?+=BC:4=90E01?4B0=F00=?4B0=F00= B4A41CB?4;0908AC11018=834=60=A0:A00
1. Pengertian Arus Listrik
031120030;070,+32,12012.1,423202,230;0 AC0BC?4=670=B0C0B0=F0=64=60;8030;074;4:B=4;4:B=F0=6
1410A14640:A4A0;80=0CA;8AB8:88?34=60=0;80=?0=0A308 AC0BC14=3014AC7CB8=668:414=3014AC7C;41874=307;80=?0=0A
0:0=1474=B8A4B4;07:43C0AC7C14=30B4A41CBA00A4B810=6B40; 0;0 0;80= ;8AB8: 9C60 348:80= 98:0 :43C0 B8B8: B4;07 48;8:8
B460=60=A000;80=C0B0=0:0=1474=B8 07?4640:0=4;4:B=14;0E0=0=34=60=0070CA;8AB8:?4
70B8:0=.20;0A41C07?4=670=B0A4AC=66C7=F0?410E0 C0B0= ;8AB8: 030;07 4;4:B= -0;0C?C= 348:80= B4;07 38A4?0:0B8
107E00070CA;8AB8:14;0E0=0=34=60=007640:4;4:B= C0B0=;8AB8:70=F00:0=4=60;830;00=6:080=B4BCBC?030
0=6:080=B4BCBC?A4?4B8?030.2 0:0=B490381430?B4=A80; 0=B00:43C0C9C=6?4=670=B0430?B4=A80;8=8;07F0=64=F4101:0=
C0B0=;8AB8:4=60;8B490380CA;8AB8:
2. Kuat Arus Listrik
32031120383458=8A8:0=A410608 ,6,6+32,1206, +,0+1323.,,2012.123123,42342000B40B8A
38BC;8A:0=A410608148:CB K
Gambar 8.2
Arus listrik akan mengalir dalam rangkaian tertutup.
4B8:07C90=;410BB49038:8;0B30=B434B4:A80CA;8AB8:A414A0:8;0?444=60;8 30;0E0:BC 8;8A4:=8BC=6C0B0=F0=638?8=307:0=3080E0=14C0B0=
;8AB8::4C8?030A00B8BC 7
8:4B07C8 2 A
2 0:0 2
Contoh
8.1
e e
e e
I e I
e I
I I
sumber tegangan
Gambar 8.1
Arah arus listrik I dan arah elektron e berlawanan arah.
-5...1-+2,031342,.3,2+,-30-30-2,54-.5,5-4
Tes Kompetensi Awal
?0:07007640:0CA;8AB8:A400734=60=007640: 4;4:B= 4;0A:0=90E010==30
08?B4=A80;0=0:4?B4=A80;0=0:070CA;8AB8: 4=60;8
C;8A:0=;0750:B50:BF0=644=60C7814A0=F0 AC0BC7010B0=?4=670=B0
4=60?0D;B4B430;0AC0BC0=6:080=70CA 38?0A0=6A4200?00;4;
C;8A:0=;072=B7AC14B460=60=;8AB8:F0=6 =30:4B07C8
Di unduh dari : Bukupaket.com
171
Listrik Dinamis
Gambar 8.3
Mengukur kuat arus listrik
3. Mengukur Kuat Arus
+=BC: 4=6C:C :C0B 0CA ;8AB8: 30;0 AC0BC 0=6:080= ;8AB8: 386C=0:0=0?444B40B0C04B44=6C:C0=0CA;8AB8:30;0AC0BC
?4=670=B030?0B38;0:C:0=34=60=2004=67C1C=6:0=0;0BC:C0CA ;8AB8:0?444B4A4200A48A4?4B8?030.2
0041020A:0;00?444B4030;07A410608148:CB 0A8;?4=6C:C0= A:0;0F0=638BC=9C: L10B0AC:C
A:0;00:A8C K
058:148:CB4=C=9C::0=:C0B0CAF0=64=60;830;0AC0BC0=6:080=B4BCBC? 430A0:0=6058:B4A41CBB4=BC:0=10=F0:=F0
C0B0=;8AB8:F0=64=60;830;00=6:080= A4;00A?4B0030;0A0BC0=2C;C1
7 I 082 A0?08
2 A38?4;47
2 K A0CA?030A4;0=6E0:BC8=8
14B0107A4200;8=408;080B00B0=F0 030;07A410608148:CB
8;010B8CA4:;07180A0=F0386C=0:0=0?444B4C=BC:4=6C:C:C0B0CA 030AC0BC?4=6C:C0=0CA;8AB8:3830?0B30B0A4?4B838BC=9C::0=?0306010148:CB
4=BC:0=70A8;?4=6C:C0=0?444B4B4A41CB
Contoh
8.2
Contoh
8.3
0202
C;07C0B0==F0 2
A I 082AA0?082A38?4;47
2 AKA
ACA?030A4;0=6E0:BC
8=8B4B0?
C;07C0B0==F0 2
A 0389C;07C0B0=F0=64=60;84;0;C80=6:080=A4;00A030;07
4. Mengukur Beda Potensial
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