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According to Coulomb's Law, what is the relationship between electrostatic force and the distance between two charges?

If the distance between two charges is doubled, how does the electrostatic force between them change?

What is the value of the electrostatic constant (k) in free space?

Which of the following is analogous to charge in Coulomb's Law, in the context of Newton's Law of Universal Gravitation?

What is the direction of the electric field defined as?

Electric field lines originating from a point charge will point:

If the magnitude of one of the two charges is doubled, how does the electrostatic force between them change, assuming all other parameters remain constant?

Consider two point charges. If both the magnitudes of the charges are doubled and the distance between them is also doubled, how will the electrostatic force change?

Which statement about electric field lines is incorrect?

What happens to the electric field strength as you move further away from an isolated point charge?

The electric field strength is defined as:

What is the unit of electric field strength?

Two charges, $+2Q$ and $-Q$, are placed a certain distance apart. Which of the following statements is true regarding the magnitudes of the forces they exert on each other?

For two like charges, the electric field lines will:

Consider a region with a uniform electric field. If a charge is moved within this field, which path will require the least work to be done against the electric force?

If charge $Q_1$ is $2 \mu C$ and charge $Q_2$ is $-4 \mu C$ are separated by a distance of $3m$, what is the magnitude of the electrostatic force between them? (Use $k = 9 imes 10^9 , ext{Nm}^2/ ext{C}^2$)

At a certain point in space, an electric field is directed due east and has a magnitude of $100 , ext{N/C}$. What force would be exerted on a proton placed at this point? (Charge of proton $e = 1.6 imes 10^{-19} , ext{C}$)

Two identical positive charges are placed at a distance 'd' apart. At what point on the line joining the two charges is the electric field zero?

Three charges $+q$, $+q$, and $+q$ are placed at the vertices of an equilateral triangle. What is the direction of the net electric field at the centroid of the triangle?

Consider two charges $+Q$ and $-2Q$ separated by a distance $r$. At what distance from the $+Q$ charge, along the line joining the two charges, is the net electric field zero?

If the electrostatic force between two charges in a vacuum is $F$, what would be the force between the same two charges when immersed in a medium with a dielectric constant $\kappa$?

Which of the following scenarios will result in the greatest magnitude of electrostatic force?

If a positive test charge is released from rest in an electric field, it will move:

What is the relationship between the density of electric field lines and the magnitude of the electric field?

Which of the following is a vector quantity?

Compared to gravitational forces, electrostatic forces are generally:

Which of the following is true about the electrostatic force and the gravitational force?

Imagine a scenario where Coulomb's constant $k$ was suddenly doubled. How would this affect the electrostatic force between two charges?

If the distance between two charges is reduced to half its original value, the electrostatic force between them becomes:

In a region where the electric field lines are parallel and equally spaced, what can be concluded about the electric field?

A proton and an electron are placed in a uniform electric field. Which of the following statements is true?

What is the effect on electrostatic force if the distance between two charges is tripled?

If both the magnitudes of two charges are halved, and the distance between them remains constant, how does the electrostatic force change?

In Coulomb's Law, what does the constant ( k ) represent?

Which of the following is most analogous to mass in Newton's Law of Universal Gravitation, within the framework of Coulomb's Law?

The direction of an electric field is defined as the direction of the force on what type of charge?

Electric field lines near a negative point charge will:

Increasing the magnitude of one of the two charges has what effect on the electrostatic force, all other parameters being constant?

If both charges are tripled and the distance between them is halved, how will the electrostatic force change?

Which statement is correct regarding electric field lines?

How does the electric field strength change as you move closer to an isolated point charge?

Two charges, $-3Q$ and $+Q$, are positioned at a distance. Which statement is correct about the forces they exert on each other?

Electric field lines for two unlike charges will:

Within a uniform electric field, which path requires the most work to move a charge against the electric force?

Two charges of $+6 \mu C$ and $-2 \mu C$ are separated by $6m$. Calculate the electrostatic force between them, using $k = 9 imes 10^9 , ext{Nm}^2/ ext{C}^2$.

An electric field of $500 , ext{N/C}$ is directed due north. What force would be exerted on an electron placed in this field? (Charge of electron $e = -1.6 imes 10^{-19} , ext{C}$)

Two identical negative charges are separated by a distance '2d'. Determine the location where a positive test charge would experience the maximum electric field strength.

Three charges, $-2q$, $+q$, and $+q$, are placed at the vertices of an equilateral triangle. Determine the direction of the net electric field at the centroid of the triangle.

Two charges, $+4Q$ and $-Q$, are separated by a distance $r$. Find the point along the line joining them where the net electric field is zero.

If the electrostatic force between two charges in a medium is $F'$ and the force in a vacuum is $F$, and given the dielectric constant of the medium is $\kappa$ = 5, what is the relationship between $F'$ and $F$?

Which scenario results in the smallest magnitude of electrostatic force?

If a negative test charge is released from rest in an electric field, in what direction will it move?

What does the spacing of electric field lines indicate about the magnitude of the electric field?

Compared to electrostatic forces, gravitational forces are generally:

Which of the following statements accurately compares electrostatic force and gravitational force?

If Coulomb's constant (k) were suddenly halved, how would this affect the electrostatic force between two charges?

If the distance between two charges is increased by a factor of four, the electrostatic force between them is:

In a region where the electric field lines converge, what can be concluded about the electric field?

A proton and an electron are released from rest in a uniform electric field. Which statement is true regarding their acceleration?