
Transformator
Authored by Laxmi Desy
Physics
12th Grade
Used 38+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trafo I mempunyai kumparan primer 5.000 lilitan dan kumparan sekunder 7.500 lilitan, trafo II dipasang pada tegangan 120 volt dihasilkan tegangan 220 volt, pernyataan yang benar …
Trafo I = step up, trafo II = step down
Trafo I dan trafo II adalah step down
Trafo I dan trafo II adalah step up
Trafo I = step down, trafo II = step up
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trafo A dialiri arus listrik 12 A dihasilkan arus listrik 8 A, trafo B pasang pada tegangan 440 volt dihasilkan tegangan 220 volt, maka pernyataan yang benar …
Trafo A= step up, trafo B = step down
Trafo A dan trafo B adalah step down
Trafo A dan trafo B adalah step up
Trafo A = step down, trafo B = step up
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Transformator mempunyai kumparan primer 250 lilitan dan kumparan sekunder 500 lilitan, dialiri arus 0,4 A, maka arus yang dihasilkan …
0,2 A
1 A
1,2 A
2 A
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trafo mempunyai kumparan primer dan sekunder msing-msing 2.000 dan 1.500 lilitan dihubungkan dengan tegangan 240 volt, maka tegangan yang dihasilkan …
320 volt
180 volt
120 volt
80 volt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trafo mempunyai kumparan primer dan sekunder = 5 : 2, diharapkan tegangan keluar 100 volt, maka tegangan yang dihubungkan sebesar …
500 v
400 v
250 v
40 v
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sebuah trafo mempunyai efisiensi 90%, jika daya yang masuk 400 watt, maka daya outputnya sebesar …
360 watt
320 watt
240 watt
180 watt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trafo dihubungkan dengan tegangan 200 volt dan arus 0,6 A, dihasilkan arus 0,4 A dan tegangan 180 volt, maka efisiensi trafo …
75 %
60 %
50 %
40 %
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