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Questions and Answers
What happens when two glass rods rubbed with wool are brought close to each other?
What happens when two glass rods rubbed with wool are brought close to each other?
- They repel each other (correct)
- They attract each other
- They remain neutral
- They attract then repel each other
What happens when two strands of wool rubbed with the glass rods are brought close to each other?
What happens when two strands of wool rubbed with the glass rods are brought close to each other?
- They repel each other (correct)
- They attract then repel each other
- They attract each other
- They remain neutral
What happens when two plastic rods rubbed with cat's fur are brought close to each other?
What happens when two plastic rods rubbed with cat's fur are brought close to each other?
- They repel each other (correct)
- They remain neutral
- They attract each other
- They attract then repel each other
What do glass rods do when brought close to the fur?
What do glass rods do when brought close to the fur?
What is the property that differentiates the two kinds of charges?
What is the property that differentiates the two kinds of charges?
When a glass rod is rubbed with silk, what kind of charge does the rod acquire?
When a glass rod is rubbed with silk, what kind of charge does the rod acquire?
What type of forces hold molecules and atoms together in a solid?
What type of forces hold molecules and atoms together in a solid?
How is a body charged positively according to the text?
How is a body charged positively according to the text?
What happens to the glass rod when rubbed with silk according to the text?
What happens to the glass rod when rubbed with silk according to the text?
What type of substances allow electricity to pass through them easily?
What type of substances allow electricity to pass through them easily?
How is a body charged negatively according to the text?
How is a body charged negatively according to the text?
What happens to the silk cloth when rubbed with a glass rod according to the text?
What happens to the silk cloth when rubbed with a glass rod according to the text?
What is the rationale behind the statement that electrostatic field lines do not form closed loops?
What is the rationale behind the statement that electrostatic field lines do not form closed loops?
What does the rate of flow of liquid through a small surface represent?
What does the rate of flow of liquid through a small surface represent?
In the context of electric flux, what does 'v.n̂ dS' represent?
In the context of electric flux, what does 'v.n̂ dS' represent?
How is the strength of an electric field at a point determined?
How is the strength of an electric field at a point determined?
What does tilting an area element by an angle 'q' change in the context of electric field lines?
What does tilting an area element by an angle 'q' change in the context of electric field lines?
How does the concept of electric flux differ from physical flow like that of liquids?
How does the concept of electric flux differ from physical flow like that of liquids?
Which type of quantity can be scalar but not conserved, as exemplified by kinetic energy in an inelastic collision?
Which type of quantity can be scalar but not conserved, as exemplified by kinetic energy in an inelastic collision?
What is an example of a conserved vector quantity mentioned in the text?
What is an example of a conserved vector quantity mentioned in the text?
Which statement about the superposition principle is correct?
Which statement about the superposition principle is correct?
In what scenario is the electric field due to a discrete charge configuration not defined according to the text?
In what scenario is the electric field due to a discrete charge configuration not defined according to the text?
For a charge configuration with total charge zero, what happens to the electric field for distances large compared to the size of the configuration?
For a charge configuration with total charge zero, what happens to the electric field for distances large compared to the size of the configuration?
Why is there no analogous law on quantization of mass as stated in the text?
Why is there no analogous law on quantization of mass as stated in the text?
What is the magnitude of the electric field vector E1B at point B due to the positive charge q1?
What is the magnitude of the electric field vector E1B at point B due to the positive charge q1?
In which direction does the electric field vector E2B at point B due to the negative charge q2 point?
In which direction does the electric field vector E2B at point B due to the negative charge q2 point?
What is the total magnitude of the electric field at point B?
What is the total magnitude of the electric field at point B?
What is the direction of the electric field vector EC at point C?
What is the direction of the electric field vector EC at point C?
How is the strength of the electric field represented pictorially due to a point charge?
How is the strength of the electric field represented pictorially due to a point charge?
What is the formula mentioned in the text for calculating EC, the magnitude of each electric field vector at point C?
What is the formula mentioned in the text for calculating EC, the magnitude of each electric field vector at point C?
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