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Current electricity and types of circuits

Total questions: 37

Worksheet time: 19mins

Name
Class
Date
1.
Metals such as copper and aluminum are good ______________. 
a)
insulators
b)
conductors
c)
circuits
d)
charges
2.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
3.
Current is...
a)
moving protons
b)
moving electrons
c)
measured in volts
d)
measured in ohms
4.
The two types of current are...
a)
AC/DC
b)
Alternating Current
c)
Direct Current
d)
All of the above
5.
Voltage is simply defined as...
a)
what 'pushes' electrons
b)
what 'stops' electrons
c)
moving electrons
6.
Good conductors are _______ resistors
a)
bad
b)
good
7.
Good insulators are _______ resistors
a)
good
b)
bad
8.
In the U.S most electrical outlets supply a voltage of....
a)
240 Volts
b)
120 Volts
c)
100 watts
d)
60 amps
9.
___________ wires keep electrons on course & protect us from the dangerous flow of electricity. 
a)
Insulated
b)
Conducted
10.

An electric current that continually reverses direction over time is known as a(n)

a)

direct current

b)

alternating current

c)

simple current

11.

An electric current that has constant magnitude and direction over time is known as a(n)

a)

direct current

b)

alternating current

c)

simple current

12.

In solid conductors, electric current is the flow of

a)

positive and negative charges

b)

electrons

c)

negative ions

d)

protons

13.

The continuous flow of electric charges through a material

a)

electric current

b)

electric circuit

c)

voltage

d)

parallel circuit

14.

An electric current flowing in one direction only

a)

voltage

b)

parallel current

c)

direct current

d)

electric current

15.

current consisting of charges that move back and forth in a circuit

a)

alternating current

b)

direct current

c)

parallel current

d)

electric current

16.

A form of energy caused by the movement of electrons

a)

electricity

b)

voltage

c)

electric current

d)

parallel circuit

17.
The movement of electrically charged particles is 
a)
electric current
b)
electric circuit
c)
electric resistance
18.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
19.

Current is...

a)

how fast the electrons are moving

b)

the flow of electrical charge

c)

the power source

d)

the amount of energy gained/lost across two points

20.

What is a circuit that only has ONE path for electricity to flow?

a)

series circuit

b)

closed circuit

c)

parallel circuit

d)

light bulb

21.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
22.
When all parts of the circuit are connected it is a ______ circuit. 
a)
open
b)
closed
23.
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 electrical current
c)
the pathway that electrical current flows
d)
to add more power to the circuit
24.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
25.

A complete electric circuit that allows electrons to flow along an uninterrupted path is called a/n ___________________.

a)

Open circuit

b)

Closed ciruit

c)

Electric circuit

d)

Series circuit

26.
This circuit is .....?
a)
open
b)
parallel
c)
closed
d)
shows the flow of electricity
27.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
28.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
29.
Look at the picture.  Why won't the light bulb light up?
a)
The wires from the light bulb are not connected to the battery
b)
The switch is not closed to form a complete circuit 
c)
The wires from the light bulb are not connected to the switch 
d)
The wires from the battery are not connected to the switch 
30.

A/n ______________________________________ is one in which there is an opening that does not allow current to flow.

a)

Open circuit

b)

Closed circuit

c)

Series circuit

d)

Parallel ciruit

31.
If the electric circuit is OPEN, the switch is ____.
a)
ON
b)
OFF
32.
We need a _____ circuit for the light bulb to BE ON. 
a)
closed
b)
open
33.
Which statement is true?
a)
The light bulb will light up because the  circuit is complete.
b)
The light bulb will light up because the  circuit is broken.
c)
The light bulb will not light up because the  circuit is complete.
d)
The light bulb will not light up because the  circuit is broken.
34.
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
35.

2 answers:

Open circuit or closed circuit?

Will the light bulb light up?

a)

Open circuit

b)

Closed circuit

c)

Light bulb WILL light up

d)

Light bulb WILL NOT light up

36.

2 answers:

Open circuit or closed circuit?

Will the light bulb light up?

a)

Open circuit

b)

Closed circuit

c)

Light bulb WILL light up

d)

Light bulb WILL NOT light up

37.

What is wrong with the circuit?

a)

The light is not big enough

b)

it needs more wires

c)

The wires are not closed

d)

Another energy source is needed

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