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Worksheets3rd Year Electricity
Total questions: 23
Worksheet time: 18mins
Name
Class
Date
1.
What might supply the energy in an electric circuit?
a)
light bulb
b)
conductor
c)
wire
d)
battery
2.
The rate of flow of charge in a circuit is called the
a)
circuit
b)
voltage
c)
current
d)
potential difference
e)
resistance
3.
Which type of current comes from a battery?
a)
alternating current (AC)
b)
direct current (DC)
4.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
5.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
6.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
7.
What is potential difference measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
8.
As the resistance in a circuit increases, the electric current __________.
a)
increases
b)
decreases
c)
stays the same
9.
The image on the left is a
a)
series circuit
b)
parallel circuit
c)
a weird circuit
10.
This picture is an example of what kind of circuit?
a)
Series
b)
Complete
c)
Broken
d)
Parallel
11.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
12.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
13.
This is the symbol for a ...
a)
Wire
b)
Battery
c)
Buzzer
d)
Fuse
14.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
15.
This is the circuit symbol for ...
a)
an AC current source
b)
a DC current source
c)
an ammeter
d)
a voltmeter
16.
a)
Buzzer
b)
Switch (Open)
c)
Diode
d)
Horn
17.
This is the symbol for a _____?
a)
LED
b)
LDR
c)
Lamp
d)
Loudspeaker
18.
What is the following symbol represent?
a)
Wire
b)
Resistor
c)
Battery
d)
Switch
19.
This is the symbol for a...
a)
Light Dependent Resistor
b)
Light Emitting Diode
c)
Thermistor
d)
Cell
20.
This is the symbol for a...
a)
Light Emitting Diode
b)
Fuse
c)
Fixed Resistor
d)
Variable Resistor
21.
This is the symbol for a...
a)
Light Emitting Diode
b)
Light Dependent Resistor
c)
Fuse
d)
Cell
22.
This is the symbol for a...
a)
Thermistor
b)
Fixed Resistor
c)
Variable Resistor
d)
Fuse
23.
When the variable resistor is set to 40 ohm, what is its Vout?
a)
2V
b)
6V
c)
8V
d)
10V
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