21 Questions
What ancient observation led to the concept of electric charge?
The attraction between amber and animal fur
According to the law of electrostatics, what happens when like charges interact?
They repel each other
What is the value of the charge carried by an electron?
-1.60 x 10^-19 C
Which subatomic particle carries a positive charge?
Proton
What is the SI unit for electric charge?
Coulomb (C)
What causes the little zap feeling when you touch a doorknob or a car door handle?
The transfer of electrons
What are the carriers of electric charge referred to in the text?
Electrons
What are the different ways mentioned in the text for electrons to transfer from one body to another?
Charging by friction, by conduction, and by induction
What is the term used to differentiate materials that allow the flow of electric charge from those that do not?
Insulation
What is the main focus of physics 2 in this learning guide?
Electrostatics
What is the effect of transferring electrons that causes the little zap feeling mentioned in the text?
Static electricity
What did the ancient Greeks observe about amber and animal fur?
Amber can attract small pieces of dust after being rubbed with animal fur
What is a good demonstration of electrostatics according to the text?
Combing dry hair and observing bits of paper being attracted to the comb
What happens when plastic rods rubbed on fur are brought near each other?
They repel each other
What is the convention used for electric charge, according to the text?
Positive and negative charges
What do subatomic particles found in atoms carry?
Electric charge
What is the charge carried by an electron, according to the text?
-1.60 x 10^-19 C
What does the law of electrostatics state about like charges?
They repel each other
What is the SI unit for electric charge in honor of a French physicist?
Coulombs (C)
What is the interaction between charged plastic rod and charged glass rod?
They attract each other
What does a charged plastic rod do when brought near a charged glass rod?
Attracts it
This learning guide covers the basic properties of electric charge, the differentiation between conductors and insulators, and the distinction between charging by friction, by conduction, and by induction. It is designed to help students understand electrostatics within a 30-minute time frame.
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