< PreviousInduksi Elektromagnetik141Contoh 6.6,52D18B?<5>?941;D=@1A1> =5=9<9;9@1>:1>7 3=45>71><D1B@5>1=@1>7 K J = 41>21>G1;<9<9C1> <9<9C1> 9B5;9C1A@DB1CB?<5>?94149<9<9C;1>;D=@1A1> 45>71>21>G1;<9<9C1> <9<9C1>-5>CD;1>19>4D;C1>B9B9<1>7;54D1;D=@1A1>277<G1>7C9=2D<@141;D=@1A1> :9;1@141;D=@1A1> =5>71<9A1ADBB525B1A G1>725A21<9;1A1841<1=F1;CD B 1 1 5>71>=5>77D>1;1> "-. ) * 3 25B1A9>4D;C1>B9B9<1>741@1C49C5>CD;1>B52171925A9;DC 02 = = = K J !2)141;D=@1A1> D>CD;B5<1>7F1;CD- B;D1C1ADB 25A21<9;1A18B589>771#J J J5B1A77<9>4D;B9@141;D=@1A1> 41@1C49@5A?<58B52171925A9;DC2 - ! / BTes Kompetensi Subbab A"-& ' *( $! ( ) 0'0( /%$ * #9;1=17>5C@5A=1>5>4975A1;;1>=5=1BD;9;D=@1A1>;1F1CG1>7C5A@1B1>7B52D181=@5A5=5C5A1<1CD;DA1ADB:1AD=1=@5A5=5C5A1;1>=5>G9=@1>741A9;54D4D;1>B5C9=21>7>G15B1A1>1@1;18G1>7=5>G5212;1>C9=2D<>G1@5>G9=@1>71>C5AB52DC@1;18G1>7C5A:149@141:1AD=1=@5A5=5C5A:9;1121C1>7=17>5C491=41<1=;D=@1A1>221C1>7=17>5C4975A1;;1><529835@1C321C1>7=17>5C4975A1;;1>;5<D1A41A9;D=@1A1> <D;B=17>5C9;G1>7=5=?C?>7BD1CD;D=@1A1>25A;DA1>741A902=5>:149 0241<1=F1;CD B#9;1;D=@1A1>C5A49A91C1B<9<9C1>C5>CD;1>77<G1>74981B9<;1> )141B52D189>4D;C?A45>71> <9<9C1>=5>71<9A1ADB<9BCA9;G1>725AD218C5A8141@F1;CDG19CD B 1<1=F1;CDG1>7B1=1=5>9=2D<;1>@5AD2181>6<D;B=17>5CG1>749<9>7;D@9>G1B525B1A 02-5>CD;1>19>4D;B949A9;D=@1A1>277<9>4D;B949D:D>7D:D>7;D=@1A1>,5@?C?>7;1F1C25A75A1;=5=?C?>7=541>=17>5C9;8?=?75>G1>725B1A>G1 -41>=5=25>CD;BD4DC I#9;1<D1B6<D;BG1>7C5A@?C?>7 = 41<1=F1;CD BC5>CD;1>77<9>4D;B9G1>7C9=2D<$1F1C)*B5@1>:1>7 3=4975A1;;1>;5;1>1>45>71>;535@1C1> = B41>=5=?C?>7C571;<DADB9>4D;B9=17>5C9; K J -B5@5AC9@14171=21A-5>CD;1>25B1A71G1%?A5>CH@141;1F1C)*41>1A181ADB>G1 1<1=B52D18;D=@1A1>C5A41@1C@5AD2181>;D1C1ADBB525B1A G1>7=5>9=2D<;1>@5AD2181>6<D;B=17>5C9; 02@141;D=@1A1>;54D1G1>7C5A<5C1;49<D1A;D=@1A1>@5AC1=1-5>CD;1>9>4D;C1>B9B9<1>7;54D1;D=@1A1>:9;1;D=@1A1>;54D1=5=9<9;9 <9<9C1>QPR = 0,5v = 20 m/sBMudah dan Aktif Belajar Fisika untuk Kelas XII142sikatkarboncincinluncurarah putarankumparanB.Aplikasi Induksi Elektromagnetik Faraday@<9;1B99>4D;B95<5;CA?=17>5C9; 1A141G41<1=;5894D@1>B581A981A91>C1A1<19>B52171925A9;DC1.Generator)5A>18;18>4125A;D>:D>7;5C5=@1C)5=21>7;9C%9BCA9;-5>1719AG1>714149#1C9<D8DA#1F11A1C 9B1>1C5A41@1C1<1C<9BCA9;G1>749>1=1;1>! ( +-)+ 5>5A1C?A141<181<1CG1>725A6D>7B9=5>7D2185>5A79;9>5C9;=5>:1495>5A79<9BCA9; 5>5A1C?A25;5A:125A41B1A;1>@A9>B9@9>4D;B95<5;CA?=17>5C9;-5A41@1C4D1:5>9B75>5A1C?AG19CD75>5A1C?A1ADB2?<1;21<9;41>75>5A1C?A1ADBB51A18a.Generator Arus Bolak-Balik ) - =5>D>:D;;1>B;5=175>5A1C?A1ADB2?<1;21<9; 1A1;5A:175>5A1C?AC5AB52DC141<18B52171925A9;DC $D=@1A1>G1>749<5C1;;1>41<1==541>=17>5C9;49@DC1AB589>771=5>71<1=9@5AD2181>:D=<1871A9B71G1=17>5C9;;921C>G1C5A:14977<9>4D;B9G1>7=1=@D=5>781B9<;1>1ADB<9BCA9;ADB<9BCA9;G1>74981B9<;1>>G125AD@11ADB2?<1;21<9; 1C1D &- +(-#(! .++ (-;1A5>1B5C91@;1A2?>1;1>=5>41@1C;1>@?<1A9C1B77<9>4D;B9G1>725AD218D218;DCD2@?B9C9641>;DCD2>571C96B531A125A71>C91> .>CD;=5>G1<DA;1>1ADB<9BCA9;G1>749@5A?<58;54D1D:D>7;D=@1A1>49@1B1>7939>39>G1>7C5A@9B1841>49C5=@5<;1>@141B9;1C;1A2?>G1>7498D2D>7;1>45>71>;125<@5>G1<DAb.Generator Arus Searah)14141B1A>G1@A9>B9@;5A:175>5A1C?A1ADBB51A18B1=145>71>@A9>B9@;5A:175>5A1C?A1ADB2?<1;21<9;)5A25411>>G1@14175>5A1C?A1ADBB51A1849@1B1>7%)'.--)+25AD@1B52D1839>39>25<18 D>7B9;?=DC1C?A9>9=5>71CDA171AB5C91@B9;1C;1A2?>B5<1<D=5>41@1C;1>@?<1A9C1B77<9>4D;B9G1>7C5C1@B9;1C@5AC1=1@?B9C9641>B9;1C<19>>G1>571C962.Transformator (Trafo)+(, )+'-)+141<181<1CG1>725A6D>7B9=5>7D218=5>19;;1>1C1D=5>DAD>;1>C571>71><9BCA9; (<58;1A5>19CDCA1>B6?A=1C?A492179=5>:1494D1:5>9BG19CDCA1>B6?A=1C?A,- *.*41>CA1>B6?A=1C?A,- * )0(Gambar 6.9Skema generator arus bolak-balikGambar 6.10Skema generator arus searahkumparankomutatorsikat karbonarah putaranInduksi Elektromagnetik143-A1>B6?A=1C?AC5A49A91C1B;D=@1A1>@A9=5A;D=@1A1>B5;D>45A41>9>C925B9 ?>C?8CA1>B6?A=1C?A49CD>:D;;1>@141 ) - a.Transformator Step-up-A1>B6?A=1C?A,- *.*25A6D>7B9=5>19;;1>C571>71><9BCA9; 171>B545A81>1B52D18CA1>B6?A=1C?A,- *.*49CD>:D;;1>@141 ) - )141CA1>B6?A=1C?ABC5@D@:D=<18<9<9C1>B5;D>45A<529821>G1;41A9@141:D=<18<9<9C1>@A9=5A,*b.Transformator Step-down-A1>B6?A=1C?A,- * )0(25A6D>7B9=5>DAD>;1>C571>71><9BCA9; 171>B545A81>1B52D18CA1>B6?A=1C?A,- * )0(49CD>:D;;1>@141 ) - )141CA1>B6?A=1C?A,- * )0(:D=<18<9<9C1>@A9=5A<529821>G1;41A9@141:D=<18<9<9C1>B5;D>45A*,)A9>B9@;5A:1CA1>B6?A=1C?A141<18B52171925A9;DC $D=@1A1>@A9=5A498D2D>7;1>45>71>C571>71>=1BD;1>25AD@11ADB2?<1;21<9;25B1A41>1A18>G1B5<1<D25AD218D218 (<58;1A5>11ADBG1>725AD218D218@1419>C925B9C5A:149@5AD2181>:D=<1871A9B71G1=17>5C9;B531A1C5ADB=5>5ADB;921C>G1@141;D=@1A1>B5;D>45AC5A:14977<9>4D;B941>1ADB9>4D;B9B521719;5<D1A1>).-*.-41A9CA1>B6?A=1C?A)5A21>49>71>1>C1A1C571>71>@A9=5A*41>C571>71>B5;D>45A,@141CA1>B6?A=1C?AB1=145>71>@5A21>49>71>1>C1A1:D=<18<9<9C1>@A9=5A*41><9<9C1>B5;D>45A,,531A1=1C5=1C9B41@1C49CD<9BB52171925A9;DC**,,J $5C5A1>71>*C571>71>@A9=5A/*:D=<18<9<9C1>@A9=5A,C571>71>B5;D>45A/,:D=<18<9<9C1>B5;D>45A#9;1@141CA1>B6?A=1C?A491>771@C941;1415>5A79<9BCA9;G1>725AD218=5>:1495>5A7925>CD;<19>CA16?9451<25A<1;D8D2D>71>B52171925A9;DC41G1@A9=5A41G1B5;D>45A@B1C1D@ @B BJ $5C5A1>71>*41G1@A9=5A0,41G1B5;D>45A0 *1ADB@A9=5A ,1ADBB5;D>45AGambar 6.11TransformatorGambar 6.12Bagan transformator step-upprimerNpsekunderNsGambar 6.13Bagan transformator step-downSumber: PHYWE, 1989primerNpsekunderNsMudah dan Aktif Belajar Fisika untuk Kelas XII144Aktivitas Fisika 6.2Membuat TransformatorTujuan PercobaanMembuat transformator step-up.Alat-Alat Percobaan1.Kawat tembaga kira-kira 1 m2.Sumber tegangan 12 V (AC)Langkah-Langkah Percobaan1.Susunlah peralatan seperti gambar berikut.2.Lilitkan 10 lilitan kawat pada bagian kiri inti besi, sebagai kumparan primer.Kemudian, sebanyak 20 lilitan pada bagian karena inti besi yang lain, sebagaikumparan sekunder. Hubungkan dengan sumber tegangan.3.Catat besar tegangan yang terbaca pada voltmeter.4.Teruskan menambah 10 lilitan pada kumparan sekunder hingga menjadi 50lilitan. Amati dan catat besar tegangan yang terbaca pada voltmeter.5.Masukkan data hasil pengamatan Anda pada tabel. Kemudian, buatlah grafiktegangan sekunder terhadap jumlah lilitan sekunder.6.Berikan kesimpulan Anda dari kegiatan ini.kumparaninti besivoltmeterNo1.2.3.4.Jumlah Lilitan Sekunder20304050Data PercobaanBesar Tegangan Sekunder................Contoh 6.7,52D18CA16?BC5@4?F>1;1>497D>1;1>D>CD;=5>G1<1;1>A149? /41A9BD=25A)%' /-5>CD;1>1@5A21>49>71><9<9C1>@A9=5A41>B5;D>45ACA16?C5AB52DC2:D=<18<9<9C1>@A9=5A:9;1<9<9C1>B5;D>45A>G1 <9<9C1>31ADBG1>7497D>1;1>A149?:9;149;D=@1A1>@A9=5AC5A41@1C1ADBB525B1A 1 9;5C18D9* /, <9<9C1>, / * 1)5A21>49>71>C571>71>B521>49>745>71>@5A21>49>71>:D=<18<9<9C1> / /***,,,#149@5A21>49>71>*B 25A41B1A;1>81B9<@5A89CD>71>21791>=1;1 **#149:D=<18<9<9C1>@A9=5A <9<9C1>3.>CD;=5>789CD>71ADB<9BCA9;41@1C497D>1;1>@5AB1=11>*,1C1D* *, , / /*,,,*, #1491ADBG1>7497D>1;1>A149?141<18Tantanganuntuk AndaAnda memiliki walkman yangmenggunakan baterai 3 V.Bagaimana caranya agarwalkman tersebut dapatmenggunakan listrik dari PLNyang besarnya 220 V?Induksi Elektromagnetik145)141;5>G1C11>>G1C941;141CA1>B6?A=1C?AG1>79451<,521791>5>5A79<9BCA9;25AD218=5>:14925>CD;5>5A79<19>41<1=CA1>B6?A=1C?A=9B1<>G15>5A79@1>1B#149D>CD;CA1>B6?A=1C?AC941;9451<B5<1<D25A<1;D41G1B5;D>45A<5298;539<41A9@14141G1@A9=5A,*B589>771569B95>B9>G1<5298;539<41A9 69B95>B9B52D18CA1>B6?A=1C?A494569>9B9;1>B52171981B9<217941G1<9BCA9;B5;D>45A45>71>41G1<9BCA9;@A9=5A 69B95>B9CA1>B6?A=1C?A49>G1C1;1>41<1=@5AB5>B531A1=1C5=1C9B49CD<9B ,* J $5C5A1>71> 569B95>B9CA1>B6?A=1C?A,41G1<9BCA9;B5;D>45A*41G1<9BCA9;@A9=5AContoh 6.8Tidak ada transformator yangefisiensinya 100% karena sebagianenergi listrik berubah menjadibentuk energi lain.Ingatlah,52D18CA1>B6?A=1C?A41<1=B52D18A149?CA1>B9BC?A41@1C=5>7D218C571>71>41A9 /=5>:149/#D=<18<9<9C1>B5;D>45A>G1 <9<9C1>C5A>G1C1;D1C1ADBG1>7=5>71<9A@141A149? #9;1569B95>B9CA1>B6?A=1C?AC5AB52DC C5>CD;1>1;D1C1ADB<9BCA9;@141;D=@1A1>@A9=5A241G1@A9=5A41>41G1B5;D>45A 1 9;5C18D9* /, <9<9C1>,/ , 1-A1>B6?A=1C?AC941;25AB961C9451<=1;125A<1;D ,,,*** / /** #149;D1C1ADB<9BCA9;@141;D=@1A1>@A9=5A141<18 2.>CD;=5>789CD>741G1@141B5C91@;D=@1A1>41@1C497D>1;1>@5AB1=11>** * / 0#14941G1@A9=5A>G1141<180,, ,/ 0#14941G1B5;D>45A>G1141<18 0c.Arus Pusar pada Transformator)5A81C9;1>21C1>7;?>4D;C?A1>C1A14D1=D;1;DCD25<5;CA?=17>5C9;B5@5AC9G1>749CD>:D;;1>@141 ) - #9;1=541>=17>5C9; 1>C1A1=D;1;DCD29CD25AD218C5A8141@F1;CD6<D;BG1>7=5<1<D9B5=21A1>7B9=@1<C5ACDCD@41<1=21C1>71;1>25AD218:D71B589>771C9=2D<1ADBADB9>949>1=1;1>45>71>+., 21C1D1ADB@DB1AADB@DB1AG1>7C5A:149@1419>C9CA16?=5AD79;1>B5212CA16?;589<1>71>5>5A791C1D41G1>G1=5>:149@1>1B#9;1@1>1B9>93D;D@C9>779CA16?41@1CC5A21;1AB589>771ADB1;.>CD;=5>35718;5AD791>41G121C1>7;?>4D;C?ACA1>B6?A=1C?A492D1C25A<1@9B<1@9BB5@5AC9@141 ) - 91>C1A1<1@9B1>@5<1C<?71=4925A99B?<1B9&% +B589>771<9>7;1A1>1ADB@DB1A=5>:149Gambar 6.14(a) Trafo dengan inti besi.(b) Trafo dengan inti besiberupa lempengan yangterpisahkan oleh laker.arus pusarinti besikumparan12Mudah dan Aktif Belajar Fisika untuk Kelas XII146;539< 5>71>31A1B5@5AC99>9;5AD791>41G11;921C1ADB@DB1A41@1C49;DA1>79-941;B5=D11ADB@DB1A25AB961C=5AD79;1>@1412525A1@1@5A1<1C1>G1>7=5>77D>1;1>@A9>B9@9>4D;B95<5;CA?=17>5C9;1ADB@DB1AG1>7C9=2D<41@1C=5>7D>CD>7;1>B5@5AC9@141A5==17>5C9;CD>7;D<9BCA9;41>B5CA9;1<9BCA9;3.Transmisi Daya Listrik Jarak Jauh-A1>B=9B941G1<9BCA9;:1A1;:1D8=5AD@1;1>@A?B5B@5>G1<DA1>41G1<9BCA9;;5C5=@1CCD:D1>C5AC5>CDG1>7:1A1;>G1:1D841A9@DB1C@5=21>7;9C<9BCA9;%9BCA9;G1>7B1=@1949AD=18AD=18@5>4D4D;141<1881B9<CA1>B=9B941G1<9BCA9;:1A1;:1D8414D131A1=5>CA1>B=9B9;1>41G1<9BCA9;:1A1;:1D8G19CD 45>71>;D1C1ADB<9BCA9;25B1AG1>74981B9<;1>?<5875>5A1C?A 45>71>C571>71>G1>7<5298C9>77941A9C571>71>G1>74981B9<;1>?<5875>5A1C?A)141D=D=>G1CA1>B=9B941G1<9BCA9;:1A1;:1D8=5>77D>1;1>C571>71>C9>779$5D>CD>71>G1>749@5A?<5845>71>=5>77D>1;1>CA1>B=9B9C571>71>C9>779141<181ADB<9BCA9;G1>7=5>71<9A=5<1<D9;1F1CA5<1C96;539<B589>771D;DA1>;1F1CCA1>B=9B9G1>7;539<:D7141@1C=5=25A9;1>1>771A1>291G1:1D8<52985;?>?=9B41>41G1<9BCA9;G1>789<1>7B5@1>:1>7;1F1CCA1>B=9B9:1D8<5298;539<B589>77149@5A?<58569B95>B941G1<9BCA9;G1>725B1A)141@A?B5BCA1>B=9B941G1<9BCA9;:1A1;:1D8497D>1;1>CA1>B6?A=1C?ABC5@D@G1>7C5A41@1C49@DB1C@5=21>7;9CG1>7=5>19;;1>C571>71>89>771=5>31@19B5;9C1A /$5=D491>41G1<9BCA9;49CA1>B=9B9;1>;5;?C1;?C1CD:D1> 9;?C1;?C1CD:D1>497D>1;1>CA1>B6?A=1C?ABC5@4?F>G1>749@1B1>74971A4D71A4D<9BCA9;B589>771C571>71><9BCA9;B91@497D>1;1>@141C571>71>B5;9C1A /Gambar 6.15Bagan transmisi daya listrikjarak jauhtransmisi tegangan tinggigeneratortransformatortransformatorgardu listrikrumahpabriktiang listrikpusatpembangkitlistrikContoh 6.9,52D1875>5A1C?AG1>741@1C=5>781B9<;1>41G1<9BCA9; &049CA1>B=9B9;1>=5<1<D9@5>781>C1A45>71>81=21C1> !9CD>7<18@5AB5>C1B541G1G1>789<1>7=5>:149;1<?A:9;11C571>71>G1>7497D>1;1>CA1>B=9B9 ;/2C571>71>49>19;;1>?<58CA16?BC5@D@=5>:149 ;/ 1 9;5C18D9 &0+ 1)5AB5>C1B541G1<9BCA9;G1>789<1>7:9;1497D>1;1>C571>71>CA1>B=9B9 ;/41@1C4989CD>7B52171925A9;DCCA1>B=9B9 0 / Kata Kunci•generator•Alternating Current•komutator•transformator/trafo•transformator step-up•transformator step-down•efisiensi transformator•arus pusar (arus eddy)Sumber: Jendela IPTEK, 1995Induksi Elektromagnetik147 1G1G1>789<1>7=5>:149;1<?A89<1>7141<1889<1>7 &0)5AB5>C1B589<1>7&0 &02 1G1G1>789<1>7:9;1C571>71>CA1>B=9B949>19;;1>=5<1<D9CA16?=5>:149 ;/141<18CA1>B=9B9 0 / 1G1G1>789<1>7=5>:149;1<?A89<1>7141<1889<1>7 20 0#149@5AB5>C1B589<1>7 ;0 &0 ,52D18CA1>B6?A=1C?ABC5@D@=5=9<9;9 <9<9C1>@141;D=@1A1>@A9=5A>G141> <9<9C1>@141;D=@1A1>B5;D>45A>G1$D=@1A1>@A9=5A4925A91ADB2?<1;21<9;25AC571>71> /15A1@1C571>71>;D=@1A1>B5;D>45A2#9;11ADB41<1=;D=@1A1>B5;D>45A 25A1@11ADBG1>7=5>71<9A41<1=;D=@1A1>@A9=5A35A1@141G1=1BD;1>41>41G1;5<D1A1>CA1>B6?A=1C?A ,52D18CA1>B6?A=1C?A498D2D>7;1>45>71>BD=25AC571>71>)%' /41>;D1C1ADB>G1 -5A>G1C1C571>71>;5<D1A1>>G1B525B1A /41>;D1C1ADB>G1 !9CD>71569B95>B9CA1>B6?A=1C?A2@5A21>49>71>:D=<18<9<9C1>@A9=5A41>B5;D>45A ,52D18CA1>B6?A=1C?AG1>749@1B1>7@141A149?=5=9<9;9B@5B969;1B9 /C5A=9>1<@A9=5A>G1498D2D>7;1>45>71>BD=25A)%' /#9;1:D=<18<9<9C1>B5;D>45ACA1>B6?A=1C?AC5AB52DC <9<9C1>41>1ADBG1>7=5>71<9A41<1=A149? C5>CD;1>1:D=<18<9<9C1>@A9=5A2;D1C1ADB@141;D=@1A1>@A9=5A341G1@A9=5A41>41G1B5;D>45A:9;1569B95>B9CA1>B6?A=1C?A Tes Kompetensi Subbab B"-& ' *( $! ( ) 0'0( /%$ *C.Arus dan Tegangan Listrik Bolak-balikADB41>C571>71><9BCA9;2?<1;21<9;=5=9<9;9>9<19G1>7B5<1<D25AD218D218C5A8141@F1;CDB531A1@5A9?49;219;25B1A=1D@D>1A18>G15B1A1>1ADB41>C571>71>2?<1;21<9;49<1=21>7;1>45>71> 5F1B19>981=@9AB5=D1@5A1<1C1>AD=18C1>77149?@5A1B9;1>45>71>5>5A79<9BCA9;1ADB2?<1;21<9;,5@5AC9>41;5C18D9@5A25411>=5>41B1A1>C1A11ADB2?<1;21<9;41>1ADBB51A18141<18@?<1A9C1B>G1.>CD;=5>75C18D9@?<1A9C1B1ADBB51A18G1>7B5<1<DC5C1@41>1ADB2?<1;21<9;G1>7B5<1<D25AD21841@1C497D>1;1>?B9<?B;?@ -") 2, #&), )* &5<1<D91<1C9>941@1C:D71491=1C9>9<196A5;D5>B941>@5AD2181>C571>71>@141B5C91@B11C41<1=25>CD;7A169;41@D>D>CD;=5>7D;DA>9<19C571>71>565;C9641>;D1C1ADB<9BCA9;565;C9641@1C497D>1;1>E?<C=5C5A 41>1=@5A5=5C5A 1.Sumber Tegangan Bolak-Balik (AC)5>CD;C571>71>1ADB G1>7C5A2131@141=?>9C?A?B9<?B;?@25AD218B531A1@5A9?49;=5>DADC6D>7B9B9>DB,1<18B1CDBD=25A G19CD75>5A1C?A1ADB 1<1=75>5A1C?A141;D=@1A1>G1>741@1C25A@DC1A2521B41<1==541>=17>5C8?=?75>Mudah dan Aktif Belajar Fisika untuk Kelas XII148Gambar 6.18Pengukuran arus listrik denganmenggunakan volmeter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lat Ukur Tegangan dan Arus Bolak-Balik.>CD;=5>75C18D9141>G1C571>71><9BCA9;@141BD1CDA1>7;191>B1<18B1CD>G1497D>1;1>B52D181<1CG1>749B52DC- ,-* ( ) - ;1>C5C1@9C5BC@5>C941;41@1C=5>75C18D925B1A>G1C571>71>G1>7=5>71<9A@141A1>7;191>C5AB52DC41@D>D>CD;=5>7D;DA>9<19C571>71>41>;D1C1ADB 497D>1;1>E?<C=5C5A 41>1=@5A5=5C5A '9<19G1>7C5A2131@1411<1CD;DA9>9=5>D>:D;;1>81A71565;C9641A9C571>71>41>;D1C1ADB&5<1<D9 ) - >4141@1C=5=181=981B9<@5>7D;DA1>1ADB<9BCA9;41<1=B52D18A1>7;191>Gambar 6.16Grafik tegangan dan arus listrikbolak-balik terhadap waktu.12VVmV = Vm sintT2TIImI = Im sintT2Tbagian atas yangberlogambagian tengahyang transparanlampulogamGambar 6.17Cara pengukuran dengan testpenInduksi Elektromagnetik149Gambar 6.19Pengukuran tegangan padasebuah rangkaianresistorvoltmeter 1A9@5>71=1C1>=5<1<D9?B9<?B;?@BD=2DE5AC9;1<491CDA@141C571>71> / 3=Contoh 6.10Gambar 6.20kWh meter yang ada di rumahdigunakan untuk mengukurdaya listrik yang terpakai.)141 ) - C5A=9>1<;DCD2@?B9C96498D2D>7;1>45>71>1ADB=1;B9=D= @1411=@5A5=5C5AC5A2131>9<191ADB B541>7;1> ) - C5A=9>1<@?B9C96498D2D>7;1>45>71>1ADB=1;B9=1< C5A>G1C1C5A2131>9<191ADB )5>7D;DA1>9>9=5>D>:D;;1>218F11>7;1G1>7C5A2131@1411<1CD;DA141<18>9<19565;C96>G1 5=9;91>@D<141<1==5>7D;DAC571>71>B52D18A1>7;191>B5@5AC9 ) - $5C9;11ADB=5>71<9A:1AD=@5>D>:D;E?<C=5C5A=D<1925AD218'9<19G1>7C5A2131=5>D>:D;;1>81A71565;C96C571>71>A1>7;191><9BCA9;>4141@1C:D71=5>7D;DA;D1C1ADBC571>71>41>81=21C1><9BCA9;219;1ADB =1D@D>1ADB 45>71>=5>77D>1;1>=D<C9=5C5A=@5A5=5C5A/?<C=5C5A41>(8==5C5A41>?B9<?B;?@3.Nilai Efektif Tegangan dan Kuat Arus AC<1CD;DAG1>7497D>1;1>D>CD;=5>75C18D9:D=<1841G1G1>7C5A@1;19@141;52DCD81>5>5A79<9BCA9;49AD=18141<18;08=5C5A 5A5C1>1>7;1=5>D>:D;;1>25B1A5>5A79<9BCA9;G1>7C5A@1;19)5A81C9;1> ) - -1=@1;:5<1B1>7;1G1>7=5>D>:D;;1>25B1A5>5A79<9BCA9;G1>7C5A@1;1941<1=B1CD1>;08%#&)--").+ >5A799>949@5A?<5841A9>9<19 41> !1A71565;C961ADB1C1DC571>71>2?<1;21<9;141<18;D1C1ADB1C1DC571>71>2?<1;21<9;G1>7491>771@B5C1A145>71>1ADB1C1DC571>71>B51A18G1>7=5>781B9<;1>:D=<18;1<?AG1>7B1=1;5C9;1=5<1<D9BD1CD@5>781>C1A41<1=F1;CDG1>7B1=1,52D18@5>781>C1AB5@5AC9 ) - =5=9<9;981=21C1>41<1=F1;CD -5B1A5>5A79;1<?AG1>74981B9<;1>?<581ADB565;C96>G1141<18Gambar 6.21(a) Sebuah rangkaian denganhambatan R;(b) Grafik hubungan I dengan t.1ABIImIeft212t sinmtRB541>7;1>B5<1>7F1;CD=5>D>:D;;1>=B 3=,;1<1C91@;?C1;=5=9<9;9D;DA1> 3=K 3=-5>CD;1>1C571>71>=1;B9=D=26A5;D5>B9BD=25A 1 9;5C18D9** / 3=1)14171=21AC5A2131C571>71>@D>31;**141<183=;1A5>1B;1<1E5AC9;1< / 3==1;1**3=K / 3= E?<C#149C571>71>=1;B9=D=>G1141<18'%, ** //2)5A9?4541<1=7A169;3=,;1<18?A9H?>C1<=B 3==1;13=K=B 3= =B B#1496A5;D5>B9BD=25A !H Mudah dan Aktif Belajar Fisika untuk Kelas XII150 -J >5A79;1<?AG1>74981B9<;1>41<1=A1>7;191>1ADB =5=9<9;9>9<19G1>7B5<1<D25AD218B531A1@5A9?49;41<1=F1;CD 41>=5=5>D89@5AB1=11> - -J "-. ) * 3 41> "-. ) * 3 =5=9<9;9>9<19G1>7B1=1B589>77141@1C49@5A?<5825B1A1ADB565;C96>G1 56 - - - 56 - =1;B -J 45>71>=5>77D>1;1>31A1=1C5=1C9;149@5A?<581ADB565;C96 B52171925A9;DC =1;B J 5>71>31A1G1>7B1=1C571>71>565;C96 1;1>49@5A?<58@5AB1=11> =1;B J ,52D18A1>7;191>G1>7498D2D>7;1>45>71>BD=25A<9BCA9;2?<1;21<9;49D;DA45>71>E?<C=5C5A41>=5>D>:D;;1>1>7;1 E?<C5A1@1;1881A71=1;B9=D=C571>71>2?<1;21<9;BD=25A41>CD<9B;1>@5AB1=11>>G1:9;16A5;D5>B9>G1 !H 1 9;5C18D9 / !H1'9<19C571>71>=1;B9=D==1;B4989CD>745>71>=5>77D>1;1> "-. ) * 3 B589>77149@5A?<58=1;B /2)5AB1=11>C571>71>49@5A?<5845>71>=5>77D>1;1> "-. ) * 3 G19CD=1;BB9> - B9> -Contoh 6.11Tantanganuntuk AndaApakah yang menyebabkansengatan listrik, arus listrik, atautegangan listrik?Next >