193
Listrik Dinamis
=30B4;074?4;09080CA;8AB8:A4007B460=60=;8AB8:A4007 30=AC140CA;8AB8:A4007A4B00=6:080=A43470=0B43880B0A10B408
78=66038?4;47=8;0830=F0=638A41CB34=60=0=6:080=0CAA4007 CA30=B460=60=;8AB8:1;0:10;8:48;8:8=8;08F0=6A4;0;C14
C107C107B47030?E0:BCA4200?4838:108:14A00C?C=007=F0 4A00=0CA30=B460=60=1;0:10;8:38;010=6:0=34=60=
A430=6:0=0CA30=B460=60=A400738;010=6:0=34=60= 4E0A0
8=870?8A4C0?40;0B0=C07B0=66038?40A8:0=34=60=4=468 ;8AB8:0CA1;0:10;8:A4?4B8B0?0:?030.2 =30B4;07
4=64B07C8107E0?414300=4=30A00=B000CA1;0:10;8:30=0CA A4007030;07?;08B0A=F0
+=BC:4=64B07C8?;08B0A0CA30=B460=60=A4007F0=6A4;0;CB4B0? 30=0CA1;0:10;8:F0=6A4;0;C14C10730?0B386C=0:0=A8;A:?8A0;=F0
2-61-1-.4;0;C80;0B8=89C603800B8=8;0854 :C4=A830=14=BC:64;10=6F0=63870A8;:0=A430=6:0=C=BC:4=6
C:C=8;08B460=60=30=:C0B0CA;8AB8:30?0B386C=0:0=D;B4B4 30=0?444B4
2. Mengamati Tegangan Listrik DC dan Tegangan Listrik AC
+=BC:4=6C:CB460=60=30=0:A8C
+
30=B460=60= ?C=20::4?C=20:
..
F0=6140A0;308908=60=;8AB8:30?0B38;0:C:0= 34=60=4=66C=0:0=A8;A:?A4?4B8?030.2
C1C=6:0=B4
8=0;0?444B430=,,:40=6:080=A4?4B8?030.2 83C?:0=34=60=4=4:0=B1;0B80?0:0790C
?444B44=F8?0=64=F0B090C0?444B4B830: 4=F8?0=6A40:0=0:0=B830:0300CAF0=64=60;8?0300=6:080=+;0=68
?42100=B4A41CB34=60=4=67C1C=6:0=0CA0=6:080=:4,,B460=60= ?030A8;A:?4C380=?CB0D;BA38D8A0;=F0?030?A8A8
0B864;10=6B460=60=38;0F0A8;A:?0:00:0=B4;870B107E0 B460=60=14C107A4200?4838:A4?4B8?030.2 :80:80
:40B0A30= :410E07=30B4;074=64B07C8107E0B460=60=F0=6
?;08B0A=F0A4?4B864;10=6030;07B460=60=;8AB8:1;0:10;8: 06080=098:00CAF0=638;4E0B:0=030;070CAA4007 8:0=30
4=600B8B460=60=A4007F0=63870A8;:0=0=6:080=0CAA400730= 10B4084=66C=0:0=A8;A:?A4B4;07=304=67C1C=6:0=0CA
:4270==4;90C0?444B44=F8?0=630?C=?4C1070= B460=60=A4007?030A8;A:?0:0=B4;870B70=F030;0A0BC007A4?4B8
?030.2 4B4;074;0:C:0=?4=600B0=308?42100=B4A41CB=3030?0B
4=64B07C8A49C;07?414300=0=B00B460=60=30=B460=60= 8AB8:A400748;8:8B460=60=F0=6B4B0?A4B80?A00B30=6058:B460=60=
Gambar 8.22
Mixer dan bor listrik dioperasikan dengan energi listrik.
Sumber:
Femina, 1995
Gambar 8.23
Osiloskop
Gambar 8.24
a. Mengamati arus bolak-balik dengan amperemeter DC dan osiloskop.
b. Mengamati arus searah dengan amperemeter DC dan osiloskop.
Sumber:
Phywe
=468;8AB8:A0=60B38?4;C:0=30;0:4783C?0=0=CA80=468;8AB8:38C07 =30140A0;308=468;8AB8:8=8380=B00=F0140A0;308410=6:8B
8AB8:4=06084=07:07=304=34=60410=6:8B8AB8: 4=060C:;8C60A=30208;078=50A84=64=08410=6:8B8AB8:
4=060C:;88=8C;8A;078=50A8B4A41CB30;0:4B0A30=38:C?C;:0= :4?0306CC=30C=0:0=;071C:C1C:C38?4?CAB0:00=A4:;070B0C30407
:0=8=B4=4B30=4380;08=C=BC:4=2088=50A8B4A41CB
Mari Mencari Tahu
Galvanometer Osiloskop
220 V R
220 V
b
Osiloskop Galvanometer
220 V R
220 2 220 2
a
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194
Mudah dan Aktif Belajar Fisika untuk Kelas X
4A0=F00CA30=B460=60=1;0:10;8:30?0B3800B834=60=0D4B4 CA30=B460=60=F0=638BC=9C::0=0;0B8=84C?0:0=7060454:B85=F0
;08B0A;8AB8:F0=63870A8;:0=308908=60=14C?06058:A8 =CA830;34=60=4:C4=A8 G
CA454:B8530?0B38CCA:0=A410608148:CB
0:A
K 34=60=200F0=6A00C=BC:B460=60=454:B85
0:0=38?4;47?4 A000=
0:A
K
- 4140?0414300=8=A8?8AB8:400730=;0:0;8:
08?4=600B0=4;0;C8A8;A:?AC1CD4B8:0;380BC ?030 B460=60= ,2 A430=6:0= A4;0=6 E0:BC
4=C=9C::0=A2:0;0A4B80?:B0:48;8:8C:C0= 2L
2
4=BC:0= 0 B460=60=0:A8C
1 54:C4=A8AC14 7
0 0306010B41020B460=60=?C=20:..030;07 2;47:04=0A:0;0D4B8:0;,20:0
=F014C?0608A;CCAA430=6:0=;8AB8:1;0:10;8:48;8:8B460=60=F0=6 14C107C107A4B80?A00BF08BC1414=BC:A8=CA830;4140?0?414300=
?8=A8?;8AB8:A400730=1;0:10;8:30?0B=30;870B?030 -
Contoh
8.16
I 8AB8:C30738B0=A8A8:0= 308?410=6:8B:4C07C07
I CA30=B460=60=48;8:8 B460=60=0:A8CB460=60=
?C=20::4?C=20:B460=60= A4A00BB460=60=0B00B030=
=8;08454:B85 I 8AB8:AC;8BC=BC:44=C78
:41CBC70=?0A:0=30;09C;07 14A0
I CA30=B460=60=70=F0 48;8:8=8;08454:B85=F0
I 0F0A8;A:?4=C=9C::0= 6010B460=60=1;0:10;8:
0-,-, 2
5.2253,
I 0F0A8;A:?4=C=9C::0= 6010B460=60=A4007
T V
pp
1 cm 1 cm
penahan
kabel netral
Informasi
Cara menghubungkan kabel pemanas air dapat dilakukan
sebagai berikut. Ketiga lubang pada steker, yaitu dua ujung terminal
pemanas masing-masing dihubungkan ke kutub positif dan
negatif, dan kabel lain berwarna biru menuju netral.
untuk Anda
kabel berarus
kabel ditanahkan sekring
Information for You
To connect wires of water heater can do as below. Three hole on the plug,
that is two edge heater terminals connect to positive and negative
poles and other blue wires toward neutral.
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195
Listrik Dinamis
..
2L,2
, 460=60=0:A8C=F0030;07
+1 ..
,, 038B460=60=0:A8C=F0030;07,
1 483430;06058:
2:0;078G=B0;A20:0 2LA2A A
4:C4=A8AC14030;07 G
41C070=6:080=F0=6387C1C=6:0=34=60=AC14;8AB8:1;0:10;8:38C:C34=60= D;B4B430=4=C=9C::0=0=6:0 ,40?0:0770600:A8CB460=60=1;0:
10;8:AC14C;8A:0=?C;0?4A000==F098:054:C4=A8=F0 G 7
8:4B07C8 , G
0 8;08B460=60=0:A8C
0:A
3878BC=634=60=4=66C=0:0=?4A000= 148:CB
0:A 0:A
, 1 4A000=B460=60=38?4;4734=60=4=66C=0:0=?4A000=148:CB
maks
sin V
t A8=
2
Contoh
8.17
41C070=6:080=0CA1;0:10;8:48;8:87060B460=60=A4106085C=6A8E0:BC F08BC
A8= 28BC=6;07 0 B460=60=0:A8C
+1
4?4834 1 B460=60=?C=20::4?C=20:
..
554:C4=A8 2 B460=60=454:B85
6B460=60=A4B4;072
A 3 54:C4=A80=6C;4
7 8:4B07C8
4A000=B460=60=A4106085C=6A8E0:BC A8= 2
;47:04=0B460=60=4C?0:0=5C=6A8A8=CA830;B47030?E0:BC0:0?4A000= B460=60=30?0B38BC;8A:0=
+
A8= 2
03A 0 460=60=0:A8C,
B49038?030A00B
A8= 2
0:0
+
, 1
.. +
, ,
2
+
, ,
Contoh
8.18
Persamaan tegangan bolak-balik suatu rangkaian listrik
memenuhi persamaan V = 314 sin 50 V.
Tentukan tegangan rata-rata yang dihasilkan sumber tersebut.
Tantangan
untuk Anda
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196
Mudah dan Aktif Belajar Fisika untuk Kelas X
3. Pemasangan Listrik di Rumah Tangga
