About this Study Set
This study set covers Electromagnetism through
18 practice questions.
A collection of challenging, fact-based multiple-choice questions covering core concepts in electromagnetism suitable for a middle school curriculum. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 18 questions from the
Electromagnetism Fundamentals for Middle School study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
When a conductor moves through a magnetic field, an electromotive force (EMF) is induced. Which fundamental principle describes this phenomenon?
-
A
Ohm's Law
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B
Coulomb's Law
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C
Faraday's Law of Induction
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D
Ampere's Law
2
What is the primary unit of electric potential difference, commonly referred to as voltage?
-
A
Ampere (A)
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B
Ohm (Ω)
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C
Watt (W)
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D
Volt (V)
3
Which part of an atom is responsible for carrying electric charge and is the fundamental unit of electric current?
-
A
Neutron
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B
Proton
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C
Electron
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D
Nucleus
4
A solenoid is a coil of wire. When electric current flows through it, it produces a magnetic field. What shape is the magnetic field inside a long, ideal solenoid?
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A
Circular
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B
Diverging lines
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C
Uniform, parallel lines
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D
Spiral
5
What term describes the opposition to the flow of electric current in a circuit?
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A
Conductance
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B
Resistance
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C
Capacitance
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D
Inductance
6
An electromagnet can be made stronger by increasing the number of turns in the coil or by increasing the electric current. What material is typically used for the core of a strong electromagnet?
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A
Plastic
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B
Glass
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C
Soft iron
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D
Copper
7
When two magnets are brought near each other, they exert forces. What happens when the north pole of one magnet is brought near the south pole of another?
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A
They repel each other.
-
B
They attract each other.
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C
There is no interaction.
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D
One magnet flips its polarity.
8
Which of the following is NOT a source of electrical energy?
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A
Battery
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B
Solar panel
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C
Motor
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D
Generator
9
What is the name of the force that acts on a charged particle moving in a magnetic field?
-
A
Coulomb force
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B
Gravitational force
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C
Lorentz force
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D
Friction force
10
If you have a series circuit with three resistors, and the total voltage across the circuit is 12V, what is the sum of the voltage drops across each individual resistor?
-
A
Less than 12V
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B
Exactly 12V
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C
More than 12V
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D
Depends on the resistance values
11
The unit of magnetic field strength is the Tesla (T). A magnetic field of 1 Tesla is equivalent to how many Gauss (G)?
-
A
10
-
B
100
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C
1,000
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D
10,000
12
What is the fundamental relationship between electricity and magnetism, described by James Clerk Maxwell's equations?
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A
They are completely separate phenomena.
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B
They are two different aspects of the same fundamental force.
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C
Electricity can create magnetism, but not vice-versa.
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D
Magnetism can create electricity, but not vice-versa.
13
Which of the following is an example of a conductor of electricity?
-
A
Rubber
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B
Glass
-
C
Copper
-
D
Wood
14
A transformer works on the principle of electromagnetic induction. What type of current is required for a transformer to operate effectively?
-
A
Direct Current (DC) only
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B
Alternating Current (AC) only
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C
Both DC and AC
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D
Pulsating DC
15
What property of a material determines how easily electric charge can flow through it?
-
A
Density
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B
Conductivity
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C
Brittleness
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D
Viscosity
16
The Earth's magnetic field is generated by the movement of molten iron in its core. What is the primary source of this movement?
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A
Solar flares
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B
Tectonic plate movement
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C
Convection currents
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D
Gravitational pull of the moon
17
If you double the voltage across a simple circuit with a constant resistance, how does the current change according to Ohm's Law?
-
A
It halves.
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B
It stays the same.
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C
It doubles.
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D
It quadruples.
18
What is the term for the region around a magnet where its magnetic influence can be detected?
-
A
Electric field
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B
Gravitational field
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C
Magnetic field
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D
Kinetic energy
