WorksheetsElectric Circuits & Electromagnets
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
What type of electricity do electric currents use?
a)
Static electricity
b)
Current electricity
c)
Both
d)
None of them
2.
What are the basic components of an electric circuit?
a)
Energy source, energy pathway, energy receiver
b)
Battery, wire, light bulb
c)
Energy source and energy receiver
d)
Wire and battery
3.
Which of the following can work as an energy source?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
4.
Which of the following can act as a load/energy receiver?
a)
Battery
b)
Light bulb
c)
Wire
d)
All of them
5.
Which of the following could you remove and the circuit will still work?
a)
Light bulb
b)
Battery
c)
Wire
d)
Rubber insulation
6.
How electricity is produced?
a)
By the flow or transfer of electrons
b)
By the flow or transfer of protons
c)
By the flow or transfer of neutrons
d)
All of them
7.
What are electrons?
a)
Particles with negative charge
b)
Particles with positive charge
c)
Particles with neutral charge
d)
None of them
8.
What is a current?
a)
A steady/constant flow of electrons
b)
A wire where electrons move
c)
A show burst of electrons
d)
A power source
9.
For what do we need an energy source in an electric circuit?
a)
To provide a transfer of electrons
b)
To provide a constant flow of electrons
c)
To provide a path through which electrons move
d)
All of them
10.
What are the two types of electric circuits?
a)
Parallel circuits & Series circuits
b)
Parallel circuits & Electric circuits
c)
Electric circuits & Series circuits
d)
All of them
11.
Type of electric circuit that has BRANCHES
a)
Parallel
b)
Series
c)
Both
d)
Electric circuits
12.
In this type of circuit, if a light goes out all of them go out too.
a)
Series
b)
Parallel
c)
Both
d)
Electric circuit
13.
Your house uses this type of electric circuit
a)
Series
b)
Parallel
c)
Both
d)
Electric Circuit
14.
What is a difference between parallel and series circuits?
a)
Parallel circuits are connected in branches, series are not
b)
Parallel circuits are more common, series are not
c)
In Parallel circuits the electricity flow in different directions; in Series circuits only in one
d)
ALL of them
15.
What device opens and closes (turns on and off) and electric circuit?
a)
Battery
b)
Wire
c)
Switch
d)
Current
16.
What are the parts of a battery?
a)
Anode, Cathode, Collector
b)
Anode, Separator, Collector, Cathode
c)
Negative side and positive side
d)
All of them
17.
Which part of the battery releases the electrons?
a)
Cathode
b)
Anode
c)
Separator
d)
Collector
18.
Do batteries create electricity?
a)
Yes, they CREATE electricity
b)
No, they CONVERT energy into electricity
c)
Sometimes
d)
I don't know
19.
Batteries convert what type of energy into electricity?
a)
Chemical energy
b)
Mechanical energy
c)
Both
d)
Kinetic energy
20.
The strength of the magnetic field created in an electromagnet depends on...
a)
The number of turns you give to the wire
b)
The strength of the current
c)
Both, the number of turns of wire & the strength of the current
d)
The magnet
21.
An electromagnet is made of ...
a)
An iron bar
b)
An iron core & wire
c)
Wire
d)
An iron core & electric circuit
22.
The power of magnetism to induce electric current, and of electric current to induce magnetism.
a)
Electromagnet
b)
Electromagnetic induction
c)
Electricity
d)
Magnestism
23.
Electromagnets can be found in...
a)
Doorbell
b)
Computer drive
c)
Electric train
d)
All of them
24.
What are the advantages of using electromagnets?
a)
They can be turn on and off
b)
Their strength can be controlled
c)
Their polarity can be reversed
d)
All of them
25.
In an electromagnet, what do you need for there to be magnetism?
a)
Electric current
b)
Iron bar
c)
Magnets
d)
Power
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