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Calday Electric Circuits

Total questions: 40

Worksheet time: 34mins

Name
Class
Date
1.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
2.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
3.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
4.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
5.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
6.
Two types of circuits are
a)
parallel and magnetic
b)
electromagnetic and series
c)
series and parallel
7.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
8.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
9.
What kind of circuit is this?
a)
series
b)
parallel
10.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
11.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
12.
measure of electric current
a)
watt
b)
ohm
c)
volt
d)
amp
13.
measure of resistance
a)
watt
b)
ohm
c)
volt
d)
amp
14.
measure of power
a)
watt
b)
ohm
c)
volt
d)
amp
15.
What type of circuit is this?
a)
series
b)
parallel
16.
Electricity is the flow of ______.
a)
electrons
b)
protons
c)
neutrons
d)
atoms
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.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
20.
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. 
21.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
22.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
23.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
24.
What do you use to open and close a circuit? 
a)
switch
b)
insulator
c)
conductor
d)
battery
25.

What is this electrical component?

a)

Thermistor

b)

Bulb

c)

Diode

d)

Plug

26.

What is this electrical component?

a)

Fuse

b)

Resistor

c)

Wire

d)

Box

27.

What is this electrical component?

a)

Diode

b)

Resistor

c)

Thermistor

d)

LED (Light emitting diode)

28.

What is this electrical component?

a)

Thermistor

b)

Resistor

c)

Fuse

d)

Battery

29.

What is this electrical component?

a)

Fuse

b)

Bulb

c)

Resistor

d)

Variable resistor

30.

What is the unit for current?

a)

Watt

b)

Volt

c)

Amp

d)

Joule

31.

What is electrical charge measured in?

a)

Coulombs

b)

Amperes

c)

Metres

d)

Litres

32.

What is potential difference measured in?

a)

Coulombs

b)

Amperes

c)

Volts

d)

Ohms

33.

Which is the correct equation for calculating electric charge?

a)

charge flow = current x length

b)

charge flow = time x potential difference

c)

charge flow = current x time

d)

charge flow = current + potential difference

34.

What is the correct equation for calculating potential difference?

a)

potential difference = current + time

b)

potential difference = resistance x time

c)

potential difference = current - resistance

d)

potential difference = current x resistance

35.
A thicker wire has a _____________ resistance.
a)
higher
b)
lower
36.
A longer wire has a _____________ resistance.
a)
higher
b)
lower
37.
Which keyword describes when charge can pass through a circuit but not easily?
a)
a) Conduction
b)
b) Insulation
c)
c) Resistance
d)
d) Difficulty
38.
What happens to the resistance when the wire gets longer?
a)
a) Increases
b)
b) Decreases
c)
c) Stays the same
d)
d) unable to tell.
39.
What happens to the resistance when the wire gets thinner?
a)
a) Increases
b)
b) Decreases
c)
c) Stays the same
d)
d) unable to tell.
40.
What increases the resistance across a variable resistor?
a)
a) Increasing the number of turns
b)
b) Decreasing the number of turns
c)
c) Increasing the current
d)
d) Decreasing the voltage

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