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Questions and Answers
What do electric field lines represent?
What do electric field lines represent?
- The direction of the force acting on a positive charge (correct)
- The type of charge
- The distance between two charges
- The magnitude of electric force
In a uniform electric field, what is true about the electric force?
In a uniform electric field, what is true about the electric force?
- It varies across the field
- It depends on the type of charge
- It is strongest at the edges of the field
- It is the same everywhere in the field (correct)
What happens when a charged particle is fired at right angles to a uniform electric field?
What happens when a charged particle is fired at right angles to a uniform electric field?
- It slows down and changes direction randomly
- It follows a linear path
- It accelerates and follows a parabolic shape (correct)
- It remains stationary
How can you calculate the work done by moving a charged particle in a uniform field?
How can you calculate the work done by moving a charged particle in a uniform field?
Which equation helps in calculating the electric field strength?
Which equation helps in calculating the electric field strength?
How are uniform and radial electric fields different in terms of force?
How are uniform and radial electric fields different in terms of force?
Which of the following statements about force fields is correct?
Which of the following statements about force fields is correct?
What type of field is formed during the interaction of charges?
What type of field is formed during the interaction of charges?
Which of the following statements about gravitational fields is correct?
Which of the following statements about gravitational fields is correct?
How can the strength of a force field be represented in a field line diagram?
How can the strength of a force field be represented in a field line diagram?
Which of the following forces follow an inverse-square law?
Which of the following forces follow an inverse-square law?
What is the main difference between gravitational fields and electric fields?
What is the main difference between gravitational fields and electric fields?
According to Coulomb's law, the force between two point charges is directly proportional to which of the following?
According to Coulomb's law, the force between two point charges is directly proportional to which of the following?
In Coulomb's law, if two charges have different signs, what type of force will be present between them?
In Coulomb's law, if two charges have different signs, what type of force will be present between them?
Why are satellites that orbit quickly required to work together for constant coverage?
Why are satellites that orbit quickly required to work together for constant coverage?
Which subatomic particle characteristic results in electrostatic forces being much greater than gravitational forces?
Which subatomic particle characteristic results in electrostatic forces being much greater than gravitational forces?
When treating air as a vacuum in calculations, what assumption can be made for a charged sphere?
When treating air as a vacuum in calculations, what assumption can be made for a charged sphere?
What determines the strength of the force between two point charges in a vacuum according to Coulomb's law?
What determines the strength of the force between two point charges in a vacuum according to Coulomb's law?
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