Which statement is true?
Electromagnet lesson check

Quiz
•
English
•
8th Grade
•
Medium
Trevor Odom
Used 1+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
As the electric current through a wire increases, the magnetic field around the wire becomes stronger.
As the electric current through a wire increases, the magnetic field around the wire becomes weaker.
As the electric current through a wire increases, the magnetic field around the wire is unaffected.
As the electric current through a wire decreases, the magnetic field around the wire becomes stronger.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following conditions is necessary for a magnet inside a wire loop to produce an electric current?
The magnet must be stationary.
The wire loop must be part of an open circuit.
The wire loop must already have a current running through it.
The magnet must be in motion.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is false?
The direction a magnet moves through a coil of wire determines the direction of the electric current.
The direction a coil of wire moves through a magnetic field determines the direction of the electric current.
Current will flow through a wire as long as the magnetic field around the coil is changing.
Current will not flow through a wire if the magnet is outside the coil.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the figure shown, what would happen if the direction of the current in the wire coil were reversed?
The electromagnet would no longer work.
The north and south poles would switch places.
The strength of the magnetic field would increase.
The strength of the magnetic field would decrease.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a way to increase the strength of an electromagnet?
Decrease the current in the wire
Increase the current in the wire
Use fewer coils of wire
Remove the iron core
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the number of coils affect an electromagnet?
More coils decrease the strength
More coils increase the strength
Fewer coils increase the strength
The number of coils has no effect
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an iron core in an electromagnet?
It decreases the magnetic field
It increases the magnetic field
It has no effect on the magnetic field
It reverses the magnetic field
Create a free account and access millions of resources
Similar Resources on Quizizz
23 questions
UNIT 8. ELECTRICITY AND MAGNETISM

Quiz
•
8th Grade
20 questions
English (7B) Nick And Tesla's High Voltage Danger Lab

Quiz
•
7th Grade - University
15 questions
Transitive and Intransitive Verbs

Quiz
•
8th Grade
15 questions
There Will Come Soft Rains--Bradbury and Teasdale

Quiz
•
7th - 10th Grade
15 questions
Magnetic Reading

Quiz
•
4th Grade - University
20 questions
NOTICE

Quiz
•
8th Grade
15 questions
Mirette on the High Wire

Quiz
•
2nd Grade - University
15 questions
You Are the Electric Boogaloo

Quiz
•
8th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
Discover more resources for English
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
6 questions
Earth's energy budget and the greenhouse effect

Lesson
•
6th - 8th Grade
15 questions
SMART Goals

Quiz
•
8th - 12th Grade
20 questions
Lesson: Slope and Y-intercept from a graph

Quiz
•
8th Grade