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WorksheetsElectric symbols and current
Total questions: 27
Worksheet time: 12mins
Name
Class
Date
1.
This is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
2.
a)
Light
b)
Battery
c)
Motor
d)
Switch (Closed)
3.
Electric current is the flow of:
a)
electrons
b)
protons
c)
neutrons
d)
none of these
4.
current is measured in....
a)
volts
b)
amps
c)
watts
d)
mph
5.
Voltage is simply defined as...
a)
what 'pushes' electrons
b)
what 'stops' electrons
c)
moving electrons
6.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
7.
This is the symbol for a _____?
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
8.
This is the symbol for a _____?
a)
Fixed resistor
b)
Variable resistor
c)
Fuse
d)
Box
9.
This is the symbol for a ...
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
10.
This is the symbol for
a)
An Ammeter
b)
A Voltmeter
c)
A Meter
d)
A Motor
11.
What is the unit of current?
a)
ohm
b)
ampere
c)
volt
d)
joule
12.
An ammeter is a device that can be used to measure_____________.
a)
current
b)
voltage
c)
resistance
d)
power
13.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
14.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
15.
An electric current is made up of _____ charged electrons
a)
neutral
b)
negative
c)
positive
d)
balanced
16.
A flash of lightning is an example of an electric _____
a)
watt
b)
voltage
c)
current
d)
resistance
17.
A continuous flow of electricity is called_____________
a)
series
b)
circuit
c)
static
d)
current
18.
If a circuit is incomplete, or broken, it is a(n) ________ circuit.
a)
closed
b)
series
c)
bad
d)
open
19.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
20.
A device for opening or closing the flow in a circuit is _______.
a)
an insulator
b)
a battery charger
c)
a switch
d)
a resistor
21.
What is the energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
22.
What is it called when a circuit is complete?
a)
Closed circuit
b)
Light bulb circuit
c)
Open circuit
d)
Series circuit
23.
Current from a battery is always
a)
DC.
b)
AC.
24.
It connects the components of electrical circuit.
a)
light bulb
b)
battery
c)
wire
d)
switch
25.
What type of circuit is shown in the picture?
a)
open circuit
b)
closed circuit
c)
light bulb
d)
wire
26.
What is the another name for open circuit?
a)
incomplete circuit
b)
complete circuit
27.
What is the another name for closed circuit?
a)
incomplete circuit
b)
complete circuit
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