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electrical circuits1

Total questions: 102

Worksheet time: 3hrs 38mins

Name
Class
Date
1.
What is a current?
a)
A constant flow of electricity 
b)
A path that a current can flow along
2.
What is a circuit?
a)
A constant flow of electricity 
b)
A path that a current can flow along
3.
What are the 3 basic components of a circuit?
a)
Energy source, Load, Energy Pathway
b)
Battery, Energy source, Energy Pathway
c)
Battery, Wire, Energy Pathway
d)
ALL of them
4.

What is the function of a resistor?

a)

Stop current flow

b)

Limit voltage

c)

Limit current flow

d)

To light up

5.

What does L.E.D stand for?

a)

Light Emitting Diode

b)

Long Everlasting Diode

c)

Let's Eat Doritos

d)

Light Emitting Device

6.

What component would we use to make a circuit more sensitive?

a)

LED

b)

Resistor

c)

Transistor

d)

Capacitor

7.

What is this?

a)

resistor

b)

capacitor

c)

battery

d)

diode

8.

How many legs does a transistor have?

a)

1

b)

2

c)

3

d)

4

9.

This component that supplies electrical energy to an electrical device is called a:

a)

Power Supply

b)

Integrated Circuit

c)

Amplifier

d)

Logic Gate

10.

What is this?

a)

a diode

b)

a turner offer

c)

a rocker switch

d)

a logic gate

11.

What is this?

a)

a bread cutting board

b)

a bread board

c)

a motherboard

d)

an expansion card

12.
The unit used when measuring voltage is called a
a)
vollt
b)
voltt
c)
volt
d)
valt
13.
What is a measure of the energy difference between two points in an electric circuit (measured in volts) called?
a)
Valtage
b)
Volttage
c)
Voltage
d)
Voltaje
14.
What is it called when the components of a circuit are connected one after the other?
a)
Circuit series 
b)
Series circuit
c)
Searies circuit
d)
Parallel circuit
15.
What is called when the components of a circuit are connected in different branches of the circuit?
a)
Paralel circut
b)
Parellel circuit
c)
Parolel circuit
d)
Parallel circuit
16.
What is a measure of how difficult it is for charged particles to move through a material?
a)
Resistance
b)
Resistence
c)
Rasistance
d)
Risistence
17.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one light goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
18.
What is a benefit of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one light goes out, it does not affect the others. 
d)
If one light goes out, they all go out. 
19.
What causes lightning?
a)
A similarity in electrical charge.
b)
Electrons flowing through a conductor.
c)
A difference in electrical charge.
d)
Raindrops conducting electricity from the clouds to the ground. 
20.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
21.
In most electrical circuits, the pathway is made of:
a)
Wood
b)
Plastic
c)
Metal
d)
Static
22.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
23.
What kind of circuit is this?
a)
series
b)
parallel
24.
wood is a _____?
a)
conductor
b)
insulator
25.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
26.
A material in which electrons are not able to move easily 
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
27.
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.
28.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
29.
Which best describes a series circuit? 
a)
It has two light bulbs. 
b)
The same current flows through both light bulbs. 
c)
It uses a single battery.
d)
The current is divided between the light bulbs. 
30.
In the following diagram, the lightbulb is:
a)
Pathway
b)
Energy source
c)
The conductor
d)
The energy reciever
31.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
32.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
33.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
34.
The plastic around the wire is
a)
conductor
b)
insulator
c)
decoration
35.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
36.
Would would best complete this circuit?
a)
A wire
b)
A switch
c)
A battery
d)
A light bulb
37.
Metals such as copper, iron, gold, and silver are ...
a)
conductors
b)
brittle
c)
insulators
d)
resistors
38.
A ________________ circuit has more than one path for energy to follow.
a)
series
b)
parallel
39.
A ______________ circuit has only one path for electric energy to follow.
a)
parallel
b)
series
40.
What type of circuit is shown in the picture?
a)
Double circuit
b)
Series circuit
c)
Magnetic circuit
d)
Parallel circuit
41.
What type of circuit is shown in the picture?
a)
Series
b)
Parallel
c)
Double
d)
Switch
42.

Students wanted to know how a bell could ring with the push of a button. The circuit is designed to change electrical energy into what other type of energy?

a)

chemical

b)

heat

c)

light

d)

sound

43.

How many paths does a series circuit have?

a)

4

b)

3

c)

2

d)

1

44.

The voltage stays the same in a series circuit.

a)

True

b)

False

45.

What is a parallel circuit?

a)

It is a circuri rhar has one path for energy to flow.

b)

It is a circuit that has no paths for energy to flow.

c)

It is a circutt that has several paths for energy to flow.

d)

None of the above.

46.

The voltage does not stay rhe same in a parallel circuitt.

a)

False

b)

True

47.

Does a break in one branch affect another branch in a parallel circuit?

a)

Yes

b)

No

c)

Sometimes

48.
An electric circuit is a closed loop or pathway that allows electric charges to flow.
a)
True
b)
False
49.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
50.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
chris barton
51.
Which of these objects is an insulator?
a)
Copper Wire
b)
Paper Clip
c)
Steel Pole
d)
Rubber Gloves
52.
Which one is a conductor? 
a)
wood 
b)
iron 
c)
plastic spoon 
d)
paper 
53.
If a material does not allow charges to move through it easily, what is it called?
a)
electrical insulator
b)
electrical conductor
c)
reistor
d)
capacitor
54.
Which subatomic particle has a negative charge?
a)
Proton
b)
Neutron
c)
Electron
55.
Metal is an example of this. 
a)
conductor
b)
insulator
56.
What is a pathway that electricity can flow?
a)
circuit
b)
switch
c)
circus
d)
Conductor
57.
Plastic, rubber, and wood are examples of this. 
a)
insulator
b)
conductor
58.
A material that doesn't conduct electricity is  called an ________ . 
a)
conductor
b)
insulator
59.
When all parts of the circuit are connected it is a ______ circuit. 
a)
open
b)
closed
60.
When there is an opening in a circuit it means that the circuit is ____ . 
a)
open
b)
closed 
61.
What do you use to open and close a circuit? 
a)
switch
b)
insulator
c)
conductor
d)
battery
62.
Will the light bulb light?
a)
yes
b)
no
63.
Will the light bulb light?
a)
Yes
b)
No
64.

Is this a complete circuit?

a)

Yes

b)

No

65.

Is this a complete circuit?

a)

Yes

b)

No

66.

Is this a complete circuit?

a)

Yes

b)

No

67.

Is this a complete circuit?

a)

Yes

b)

No

68.

Is this a complete circuit?

a)

Yes

b)

No

69.
Which instrument allow us to measure the size of a current? 
a)
ammeter 
b)
voltmeter
c)
resistor 
d)
dry cell 
70.
What is an electric current? 
a)
flow of electrons in one direction in a circuit 
b)
flow of protons in one direction in a circuit
c)
flow of electrons in many directions in a circuit 
d)
flow of protons in many directions in a circuit 
71.
An electric circuit is formed by connecting various electrical __________ together. 
a)
symbols 
b)
components
c)
tools 
d)
parts
72.
The flow/movement of electric charges 
a)
Voltage
b)
Resistance 
c)
Current 
d)
Circuit 
73.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
74.
Potential difference is measured in:
a)
ohms
b)
ampere
c)
watts
d)
volts
75.

How do you calculate resistance?

a)

Divide voltage by current

b)

Divide charge by current

c)

Multiply current by voltage

d)

Multiply voltage and current

76.
The mathematical relationship between Voltage, Current, and Resistance:
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
77.
Resistance is measured in ___. 
a)
watts. 
b)
amps.
c)
ohms.
78.
As the resistance of a circuit increases, the current will
a)
increase
b)
decrease
c)
stay the same
79.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
80.

To find the total resistance in a series circuit, __________.

a)

multiply the individual resistances

b)

average the resistances

c)

add the individual resistances

d)

subtract the individual resistances

81.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
82.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
83.

current is considered as the movement of

a)

electrons

b)

protons

c)

charge

d)

nuclei

84.

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

a)

I = V2R

b)

I = V/R

c)

I = R/V

d)

I=VR

85.
How do you calculate resistance?
a)
Voltage X Current
b)
Current ÷ Voltage
c)
Voltage ÷ Current
d)
Current X Amps
86.
How do you calculate current
a)
Resistance X Voltage
b)
Voltage X Resistance
c)
Resistance ÷ Voltage
d)
Voltage ÷ Resistance
87.
How do you calculate voltage?
a)
Current X Resistance
b)
Resistance ÷ Current
c)
Current ÷ Resistance
d)
Measure it with a ruler
88.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
89.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
90.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
91.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
92.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
93.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

94.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
95.
What word means how fast the electrons flow.
a)
Current
b)
Voltage
c)
Resistance
d)
Power
96.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
d)
complex circuit
97.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
d)
It depends
98.

The pressure sensor is

a)

Digital

b)

Analog

99.

The light sensor is

a)

Digital

b)

Analog

100.
Identify the example of a digital device or signal below:
a)
Computer chip
b)
Human voice
c)
Drum
d)
Radio signal
101.

This is a number system with the base of 2.

a)

Binary

b)

Analog

c)

Linear

d)

Progressive

102.
The picture shows examples of what kind of signal?
a)
Analog
b)
Digital

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