Electrostatics Knowledge Assessment
Please complete this assessment to evaluate your understanding of electrostatics concepts.
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Which of the following is a property of electric charges?
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Like charges repel each other, unlike charges attract each other.
Like charges attract each other, unlike charges repel each other.
Charges do not interact with each other.
Charges only exist in conductors.
Which instrument is commonly used to detect the presence of static electric charge?
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Electroscope
Voltmeter
Ammeter
Barometer
Match the following terms with their correct definitions.
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Rows
Definition
Coulomb
Attraction or repulsion between objects due to their charges
Material that allows electric charges to flow freely
Material that resists the flow of electric charges
Unit of electric charge
Conductor
Attraction or repulsion between objects due to their charges
Material that allows electric charges to flow freely
Material that resists the flow of electric charges
Unit of electric charge
Insulator
Attraction or repulsion between objects due to their charges
Material that allows electric charges to flow freely
Material that resists the flow of electric charges
Unit of electric charge
Electrostatic force
Attraction or repulsion between objects due to their charges
Material that allows electric charges to flow freely
Material that resists the flow of electric charges
Unit of electric charge
Rate your confidence in your knowledge of electrostatics.
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1
2
3
4
5
Which of the following materials is an electrical insulator?
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Glass
Copper
Aluminum
Silver
How would you describe your interest in learning more about electrostatics?
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Not interested
1
2
3
4
Very interested
5
1 is Not interested, 5 is Very interested
Select all applications that involve electrostatics.
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Photocopiers
Air purifiers
Electric kettles
Laser printers
Other
A negatively charged object is brought near a neutral metal sphere. What happens to the electrons in the sphere?
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They move away from the charged object.
They move toward the charged object.
They stay in place.
They leave the sphere.
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