Elemen Sekunder Sumber Listrik dari Bahan Kimia

192 Mudah dan Aktif Belajar Fisika untuk Kelas X 2 0B0C 41C071;0;0?C34=60=A?4A858:0A8 - ,38?0A0=6?0301430?B4=A80; ,30=38=F0;0:0=A4;00 4=8B8BC=64=468;8AB8:F0=6B4?0:08;0?C B4A41CB 7 8:4B07C8 , , - 2 4=8B A 010B0=;0?C380=660?:=AB0=A478=660 0:0 L , L - , - 2- A L 0384=468;8AB8:F0=6B4?0:08 L 4B40=60= 4=468;8AB8: 1430?B4=A80;, :C0B0CA 7010B0= 2 A4;0=6E0BCA 30?C=30F0;8AB8:030;079C;074=468?4A0BC0=E0:BC0F0 ;8AB8:30?0B3878BC=634=60=CCACCAA410608148:CB K 0B0C K ;0B0;0B?40=0AF0=610=F0:389C?084C?0:0=:41CBC70=CB00 30;0:4783C?0=0=CA80A4?4B8A4B8:0B4:;8AB8:30=0--0=468 ;8AB8:F0=63870A8;:0=;474;44=?40=0A;8AB8:B4A41CBA4;002A4:= A414A024C380=4=468B4A41CB38C1074=90384=468:0; A414A0+ 42000B40B8A?4C1070=4=468;8AB8:4=9038 4=468:0;B4A41CB30?0B38BC;8A:0=A410608148:CB 2+ 4B40=60= + 0AA008:6 :0;94=8A08 :6H :4=08:0=AC7C08H 0B0B0=23.9 14;0:C98:0B830:B49038?4C1070=EC9C3 208A414;CB49038?4=6C0?0= Contoh 8.15 K Tokoh Alessandro Volta , adalah Fisikawan yang dilahirkan di Como, Italia. Dia menciptakan electrophorus, yaitu suatu alat untuk membangkitkan listrik statis pada 1775 dan menemukan gas metana pada 1778. Dia ditetapkan sebagai profesor untuk filsuf ilmu alam di Pavia. Terinspirasi oleh temannya Luigi Galvani , Volta menemukan bahwa arus listrik dibangkitkan ketika dua logam berbeda berada pada jarak yang sangat dekat, dan mengembangkan baterai listrik pertama pada 1800. Namanya diabadikan untuk satuan beda potensial listrik, volt. Sumber : www.allbiographies.com Sumber: www.physics. com. Alessandro Volta 1745 – 1827 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