
Kodin sähkölaitteet
Authored by Marjukka Joutsenlahti
Physics
9th Grade
Used 7+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Verkkojännite on suomessa
110 V
120 V
230 V
320 V
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laite, joka avaa virtapiirin, jos vierta on liian suuri on
nollajohdin
pääkytkin
sähköpääkeskus
sulake
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suojamaadoitetun laitteen
pistotulppa on pyöreä ja johdossa on kolme johdinta
pistotulppa on pyöreä ja johdossa on kaksi johdinta
pistotulppa on kapea ja johdossa on kaksi johdinta
pistotulppa on kapea ja johdossa on kolme johdinta
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suojaeristetyn laitteen
pistotulppa on pyöreä ja johdossa on kolme johdinta
pistotulppa on pyöreä ja johdossa on kaksi johdinta
pistotulppa on kapea ja johdossa on kaksi johdinta
pistotulppa on kapea ja johdossa on kolme johdinta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Laitetta, joka säätää onko virtapiiri auki vai kiinni itsestään lämpötilan perusteella, kutsutaan
aikakytkin
liiketunnistin
termostaatti
valokatkaisin
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kodin sähkölaitteet on kytketty
rinnan
sarjaan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mikä on enintään lelujen jännite? (eli turvallinen jännite)
12 V
25 V
50 V
230 V
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