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Circuits resistance

Authored by Michelle Lawrence

Physics

12th Grade

Used 3+ times

Circuits resistance
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33 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement for resistance?

Voltage

Ampere

Watts

Ohms

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Resistance?

the degree to which a circuit component opposes the passage of an electric current, causing energy dissipation
How hard the energy is pushed
The amount of charges that pass by a given point per second
None of the above

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

the formula to find current when the values of V and R are known is

I = V2R

I = V/R

I = R/V

I=VR

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

1 Ohm
3 Ohms
4 Ohms
12 Ohms

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance

12Ω

24Ω

0.167Ω

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What effect do electrons flowing through a resistor have on the resistor.

make it glow

reduce it's resistance

increase it's resistance

heat it up

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

in which circuit is the lamp brightest

1

2

3

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