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Examen ev0

Authored by Augusto Rodrigues

Instructional Technology

2nd Grade

Used 9+ times

Examen ev0
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35 questions

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1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Quants A son 20mA?

2A
0,02A
200A
0,002A
2MA

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En un circuit alimentat amb una pila de 9V posem una resistència de 500Ω. Quina és la intensitat que passa pel circuit?

4500A
0.018
4,5kA
18mA
1800

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En un circuit volem mesurar quants electrons passen durant 1s. Quin aparell hem de fer servir?

Amperimetre
Ohmimetre
Paquimetre
Voltímetre
Barómetre

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Quin equipament he de posar desprès del endoll per alimentar un aparell de 15V si he de conectar-lo al corrent de casa?

Multímetre
Polsador
Nevera
Diferencial
Transformador

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Un kΩ son...

10Ω

1000Ω

1000000Ω

0,001Ω

1000A

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El voltatge residencial és de

15V
220V
9V
330V
110V

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

La torradora de casa té una resistència de 1kΩ. Si la conectem al endoll de casa, quin corrent hi passarà?

15V
12Ω
110A
220mA
0.22

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