NEW
Font size
S
M
L
XL
WorksheetsLED Circuits
Total questions: 19
Worksheet time: 20mins
Name
Class
Date
1.
What is a common energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
2.
A flow of electrons through a conductor is called:
a)
A river
b)
A spark
c)
An electron flow
d)
A current
3.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
4.
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
5.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
6.
When all parts of the circuit are connected it is a ______ circuit.
a)
open
b)
closed
7.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
8.
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.
9.
Levi is wanting to light a bulb. What does he need to get the bulb to light?
a)
A battery and a paper clip
b)
A battery and a wire
c)
A paper clip and a wire
d)
A switch and a wire
10.
A series circuit has ____ path(s) that the electric current can take.
a)
One
b)
Two
c)
Three
d)
Four
11.
What slows down the flow of electricity in a circuit?
a)
resistance
b)
voltage
c)
current
d)
source of electric current
12.
What kind of circuit is this?
a)
series
b)
parallel
13.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
14.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
15.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
16.
In a parallel circuit, if one connection is broken, all of the connections stop working.
a)
True
b)
False
17.
Which circuit (s) are parallel?
a)
A
b)
A and B
c)
B and C
d)
C
18.
If bulb 1 burns out, what will occur?
a)
bulbs 2 and 3 will go out
b)
bulbs 2 and 3 receive more volts
c)
bulbs 2 and 3 will stay lit
d)
nothing will happen
19.
Students constructed a circuit using different-colored lightbulbs. What will happen if Switch 3 is closed and the other switches are left open?
a)
Only the white bulb will operate
b)
None of the bulbs will operate
c)
Only the white and yellow bulbs will operate
d)
Only the red and blue bulbs will operate
Reset
