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Worksheets

Circuits Review

Total questions: 50

Worksheet time: 54mins

Name
Class
Date
1.

What are the units for Voltage?

a)

Volts

b)

Amperes

c)

Ohms

d)

Watts

2.

What are the units for Current?

a)

Volts

b)

Amperes

c)

Ohms

d)

Watts

3.

What are the units for Resistance?

a)

Volts

b)

Amperes

c)

Ohms

d)

Watts

4.

What are the units of Power?

a)

Volts

b)

Amperes

c)

Ohms

d)

Watts

5.

_________ is the measure of how many Joules of energy a battery gives to each electron.

a)

Voltage

b)

Current

c)

Resistance

d)

Power

6.

___________ is the measure of electron flow through a circuit.

a)

Voltage

b)

Current

c)

Resistance

d)

Power

7.

___________ is the measure of how much something slows the flow of electricity through a circuit.

a)

Voltage

b)

Current

c)

Resistance

d)

Power

8.

______________ is the rate of energy consumption per second.

a)

Voltage

b)

Current

c)

Resistance

d)

Power

9.

Electricity will only flow through a closed circuit.

a)

True

b)

False

10.

Electrons carry electric energy through circuits.

a)

True

b)

False

11.

Electrons are positively charged.

a)

True

b)

False

12.

Electricity is not naturally found - it is only man-made.

a)

True

b)

False

13.

What does this image represent in a circuit?

a)

Battery

b)

Wire

c)

Resistor

d)

Light Bulb

14.

What does this image represent in a circuit?

a)

Battery

b)

Wire

c)

Resistor

d)

Light Bulb

15.

What does this image represent in a circuit?

a)

Battery

b)

Wire

c)

Resistor

d)

Light Bulb

16.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Combo

d)

Simple

17.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Combo

d)

Simple

18.

In a ___________ circuit, if one light bulb breaks, all other light bulbs will stop working.

a)

Series

b)

Parallel

19.

In a __________ circuit, if one light bulb breaks, others will continue to shine.

a)

Series

b)

Parallel

20.

The _____________ of a light bulb is determined by its power.

a)

Brightness

b)

Heat

c)

Voltage

d)

Resistance

21.

Current is _____________ related to resistance.

a)

directly

b)

indirectly

c)

not

22.

Current is ___________ related to voltage.

a)

directly

b)

indirectly

c)

not

23.

Power is __________ related to voltage.

a)

directly

b)

indirectly

c)

not

24.

In a series circuit, the more lightbulbs you add the brighter they get.

a)

False

b)

True

25.
What is a switch's function in a circuit?
a)
to make the current hotter or colder
b)
turn on and off the flow of current
c)
the pathway that current flows
d)
to add more power to the circuit
26.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
27.
When there is only one path for electrons to move through it is called a _____. When one light goes out, they all go out. 
a)
closed circuit
b)
parallel circuit
c)
series circuit
d)
open circuit
28.
What kind of circuit is this?
a)
series
b)
parallel
29.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
30.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
31.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
32.
Which of these substances conducts electricity the best?
a)
wood
b)
brick
c)
copper
d)
plastic
33.
Will the light bulb in this circuit light and why/why not?
a)
yes, because it has two batteries
b)
no, because the switch is open
c)
yes, because it is in a circuit
d)
no, because the bulb is burned out
34.
Which light will be brighter and why?
a)
Bulb A because its circuit is closed
b)
Bulb B because its circuit is closed
c)
Bulb B because it has more volts
d)
Bulb A because it has less volts
35.
Current is referred to as:
a)
flow of electricity
b)
circuits
c)
flow of electrons
d)
batteries
36.
What is an example of a RESISTOR?
a)
Light bulb
b)
Plastic
c)
Water
37.

A 2 Ω resistor is hooked up to a 6 V battery. What is the current in the circuit?

a)

2 A

b)

6 A

c)

3 A

d)

0.3 A

38.

What is the resistance of a light bulb using 4 V with 3 A running through it?

a)

1.3 Ω

b)

0.75 Ω

c)

4 Ω

d)

2 Ω

39.

If a circuit has 10 A of current running through it and a total resistance of 2 Ω, what voltage of battery must be powering it?

a)

20 V

b)

10 V

c)

5 V

d)

0.2 V

40.

If a light bulb has 10 A running through it and uses 6 V, Watt is its power rating?

a)

10 W

b)

60 W

c)

12 W

d)

0.6 W

41.

What is the symbol for power?

a)

P

b)

R

c)

I

d)

W

42.

What is the symbol for voltage?

a)

V

b)

P

c)

I

d)

v

43.

What is the symbol for current?

a)

C

b)

I

c)

A

d)

R

44.

What is the symbol for resistance?

a)

R

b)

r

c)

I

d)

Ω

45.
A __________opens and closes a circuit?
a)
key
key
b)
magnet
c)
switch
d)
electromagnet
46.

A ____________ slows the flow of electricity.

a)

battery

b)

resistor

c)

conductor

47.
Will the light bulbs light or not light based on this circuit design?
a)
The light bulbs will light.
b)
The light bulbs will NOT light.
48.
Will the light bulb light or not light based on this circuit design?
a)
The light bulb will light.
b)
The light bulb will NOT light.
49.
Will the light bulbs light or not light based on this circuit design?
a)
The light bulbs will light.
b)
The light bulbs will NOT light.
50.
Will the light bulbs light or not light based on this circuit design?
a)
The light bulbs will light.
b)
The light bulbs will NOT light.

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