
Sähkö ja magnetismi
Quiz
•
Physics
•
9th Grade
•
Medium
Hanna Merenkukka
Used 4+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mitä tarkoittaa tämä kaava?
Jännite on sähkövirta jaettuna resistanssilla.
Sähkövirta on resistanssi jaettuna jännitteellä.
Resistanssi on jännite jaettuna sähkövirralla.
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mikä on Ohmi?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mikä on vastus?
Vastus on sähkövirran kulkua vastustava laite tai virtapiirin osa.
Vastus on suurtehojännite.
Vastus on kytkentä, jossa on yksi tai useampia kytketty keräkkäin.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mikä on resistanssin kirjaintunnus?
r
Re
Rs
R
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuinka suuri on kotona käytettävä verkkojännite?
130 V
273 V
100 V
230 V
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mikä on kokonaisresistanssi, kun neljä 50 ohmin vastusta on kytketty rinnakkain?
12,5 ohmia
200 ohmia
100 ohmia
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mikä on kokonaisresistanssi, kun neljä 50 ohmin vastusta on kytketty sarjaan?
12,5 ohmia
200 ohmia
100 ohmia
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