WorksheetsElectricity
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
Charged particles that flow continuously through material is called
a)
protons
b)
current
c)
resistance
d)
Voltage
2.
What is the unit of electric current?
a)
Volts
b)
Amperes
c)
Ohms
d)
Watts
3.
A complete, unbroken path that charges can flow through is called
a)
Electric Current
b)
Electric Circuit
c)
Closed System
d)
Electric Resistor
4.
Which of the following materials is a good conductor of electricity?
a)
Rubber
b)
Wood
c)
Copper
d)
Glass
5.
______ is the difference in electric potential energy per charge between 2 points in a circuit.
a)
Current
b)
Resistance
c)
Voltage
d)
Circuit
6.
What happens to the resistance in a circuit if the length of the wire increases?
a)
Resistance decreases
b)
Resistance stays the same
c)
Resistance increases
d)
Resistance becomes zero
7.
Which of the following best describes an insulator?
a)
A material that allows electricity to flow easily
b)
A material that resists the flow of electricity
c)
A device that stores electricity
d)
A type of circuit
8.
An object through which electrons can easily flow is called a(n) ___________.
a)
Conductor
b)
Insulator
c)
Resistor
d)
Fuse
9.
What is the effect of increasing voltage in a circuit with constant resistance?
a)
Current decreases
b)
Current increases
c)
Current stays the same
d)
Resistance decreases
10.
If the voltage stays the same, but the resistance goes up, the current will....
a)
increase (speed up)
b)
stay the same
c)
decrease (slow down)
11.
What does Ohm's Law state?
a)
Voltage = Current × Resistance
b)
Current = Voltage × Resistance
c)
Resistance = Voltage × Current
d)
Voltage = Resistance × Current
12.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
2.5 V
c)
0.4 V
d)
10 V
13.
This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?
a)
3 Amps
b)
2 Amps
c)
192 Amps
d)
4 Amps
14.
Erik built a circuit. His light bulb did not light up. Which of these could NOT be the cause?
a)
Open switch
b)
closed circuit
c)
dead battery
d)
loose connection
15.
The above picture is an example of a
a)
series circuit
b)
parallel circuit
16.
Which circuit allows electricity to flow even if one component fails?
a)
Series circuit
b)
Parallel circuit
c)
Open circuit
d)
Closed circuit
17.
In a series circuit, if one light bulb burns out, what happens to the other bulbs?
a)
They all stay lit
b)
They all go out
c)
Only one goes out
d)
They get brighter
18.
If one of the lights in the diagram below burns out
a)
The other light will also go out
b)
The other light will remain lit
100 %
