Lei de Ohm

Lei de Ohm

Professional Development

5 Qs

quiz-placeholder

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Lei de Ohm

Lei de Ohm

Assessment

Quiz

Physics

Professional Development

Practice Problem

Medium

Created by

José Luna

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5 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Uma corrente de 0,5A passa num resistor de 20 ohms. Qual a tensão nesse resistor? (responder apenas o número)

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Considere um resistor de 100R alimentado por uma tensão de 10V. Calcule a corrente que o atravessa e a potência dissipada pelo resistor:

I = 10/100 = 0,1 A
P = 10/0,1 = 10W

I = 100/10 = 10 A
P = 10/10 = 1W

I = 10x100 = 1000 A
P = 10x1000 = 10000W

I = 10/100 = 0,1 A
P = 10x0,1 = 1W

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Qual a corrente que circula no circuito ao lado?

5A

2A

0,2A

0,5A

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Qual será a potência dissipada pelo resistor?
I = 6/30 = 0,2 A

12W

6W

1,2W

0,6W

5.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Media Image

Qual a resistência equivalente em kiloohms? (preencher somente os números)

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