Podcast
Questions and Answers
What happens when a rubber rod is brought near another rubber rod?
What happens when a rubber rod is brought near another rubber rod?
- The two rods will attract each other.
- The rods will create a new charge.
- The two rods will repel each other. (correct)
- There will be no interaction between the two rods.
When a glass rod is rubbed with silk, what happens to the charge on the glass rod?
When a glass rod is rubbed with silk, what happens to the charge on the glass rod?
- The glass rod gains a positive charge. (correct)
- The glass rod gains a negative charge.
- The glass rod's charge is not affected.
- The glass rod loses all of its charge.
What is the relationship between the charge on the silk and the charge on the glass rod after rubbing?
What is the relationship between the charge on the silk and the charge on the glass rod after rubbing?
- The charges cancel each other out.
- The charges are equal and of the same sign.
- The charges are equal and opposite. (correct)
- The charges are unrelated.
Which of the following statements about electric charge is true?
Which of the following statements about electric charge is true?
How many electrons constitute one coulomb of electric charge?
How many electrons constitute one coulomb of electric charge?
What is the purpose of the text provided?
What is the purpose of the text provided?
What is the standard symbol used for electric charge as a variable?
What is the standard symbol used for electric charge as a variable?
How many electrons contribute to a charge of 1 Coulomb?
How many electrons contribute to a charge of 1 Coulomb?
What type of charge does an electron carry?
What type of charge does an electron carry?
In the Van de Graaff generator, where is a large amount of charge built up?
In the Van de Graaff generator, where is a large amount of charge built up?
Which part of the Van de Graaff generator usually holds positive charges?
Which part of the Van de Graaff generator usually holds positive charges?
What happens when the charged dome of a Van de Graaff is connected to the earth via a microammeter?
What happens when the charged dome of a Van de Graaff is connected to the earth via a microammeter?
What does the deflection of the pointer of the meter indicate?
What does the deflection of the pointer of the meter indicate?
What happens when a discharging metal sphere is brought closer to the charged dome?
What happens when a discharging metal sphere is brought closer to the charged dome?
Why do the hairs of a student stand upright when brought near the charged dome?
Why do the hairs of a student stand upright when brought near the charged dome?
Which of the following is NOT an example of a non-contact force?
Which of the following is NOT an example of a non-contact force?
What is the relationship between the electric force on q1 and the electric force on q2 according to Newton's Third Law?
What is the relationship between the electric force on q1 and the electric force on q2 according to Newton's Third Law?
What does Coulomb's Law state about the relationship between the electric force and the distance between charges?
What does Coulomb's Law state about the relationship between the electric force and the distance between charges?
What is the value of Coulomb's constant, $k$, in Coulomb's Law?
What is the value of Coulomb's constant, $k$, in Coulomb's Law?
What is the direction of the electric force on the electron in a hydrogen atom exerted by the proton in the nucleus?
What is the direction of the electric force on the electron in a hydrogen atom exerted by the proton in the nucleus?
What is the permittivity of free space, $\text{ extepsilon}_0$, used in Coulomb's Law?
What is the permittivity of free space, $\text{ extepsilon}_0$, used in Coulomb's Law?
How does the electric force between two like charges change as the distance between them increases?
How does the electric force between two like charges change as the distance between them increases?