Electromagnetic Forces and Fields (21 DOL)
Authored by Ravi Sawh
Physics
9th - 12th Grade
NGSS covered
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of building and testing a DC motor in this context?
To demonstrate examples of electromagnetic forces and fields
To generate electricity
To create a perpetual motion machine
To test the strength of materials
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an electromagnetic force in everyday life?
Friction
A motor
Sound waves
Gravity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common device that uses both electric and magnetic fields?
A light bulb
A generator
A thermometer
A clock
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these devices is used to change the voltage of an electric current?
A battery
A transformer
A resistor
A motor
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of magnetism in a DC motor?
To store energy
To cool the motor
To provide lubrication
To create motion through electromagnetic forces
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Charged particles exibit what kind of force?
contact force
electromagnetic force
gravitational force
frictional force
Tags
NGSS.HS-PS2-4
NGSS.HS-PS3-5
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of these forces works only by combining electric and magnetic forces?
Magnetic
Electric
Electromagnetism
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