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Questions and Answers
What happens when like charges come into contact with each other?
What happens when like charges come into contact with each other?
- They attract each other
- They become neutral
- They repel each other (correct)
- They transfer charges
Electrostatic force can only occur between uncharged objects.
Electrostatic force can only occur between uncharged objects.
False (B)
What is the device used to detect the presence of electric charge called?
What is the device used to detect the presence of electric charge called?
Electroscope
The process of transferring charge from a charged object to the Earth is called _____
The process of transferring charge from a charged object to the Earth is called _____
Match the following terms with their definitions:
Match the following terms with their definitions:
How lightning produce ?
How lightning produce ?
Sparks is also known as ?
Sparks is also known as ?
Loud sound is called
Loud sound is called
Sparks also known as
Sparks also known as
Flashcards
Electrostatic Force
Electrostatic Force
The force that occurs between charged objects. It can be attractive or repulsive depending on the charges.
Charged Object
Charged Object
An object that carries an electric charge.
Uncharged Object
Uncharged Object
An object that has no electric charge or does not carry an electric charge.
Transfer of Charges
Transfer of Charges
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Electroscope
Electroscope
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Study Notes
Natural Phenomena: Electricity
- Lightning is a streak of light.
- Charging by rubbing creates a charged object. An uncharged object does not have an electric charge.
- Examples include rubbing a balloon on hair or wool to produce electrostatic force resulting in attraction or repulsion between objects.
- There are two types of electric charge: positive (+) and negative (-).
- Like charges repel each other.
- Unlike charges attract each other.
Transfer of Charges
- Electric charges can be transferred from one object to another through a metal conductor.
- An electroscope detects the presence and quantity of electric charge.
- Earthing is the transfer of charge to the Earth.
Lightning and Hunters
- Lightning is a natural example of electrostatic force.
- Lightning occurs when positive and negative charges move toward each other in the air.
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