How does electric field varies with distance for a point charge?

The electric field varies inversely as the square of the distance from the point charge.

How does the electric field at a point vary with the distance due to the point charge and due to short dipole?

The electric potential varies inversely with the square of the distance. For a point charge, The electric potential varies inversely with the distance.

How does electric field E due charge varies with distance r?

Answer: Explanation: The electric field intensity E=|E⃗ | due to a charge q in the origin, at a point P at a distance r away from q, is inversely proportional to the square of the distance r; it’s also directly proportional to the charge q, of course.

Does electric field depends on distance?

Originally Answered: Does the electric field depend on distance? Yes , E always follows the inverse Square law, as all natural phenomena obey. E=F/q = kq/r^2. E increases as distance decreases.

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How does electric field of an electric dipole change with distance?

Along axis of dipole (Point Q)

Compared to a point charge which only decreases as the inverse of the square of the distance, the dipoles field decreases much faster because it contains both a positive and negative charge.

What is Gauss law for electrostatics?

Gauss’s law states that the electric flux through any closed surface is equal to the net charge enclosed by the surface divided by permittivity of vacuum. i.e ϕ=ϵQ.

Which of the following cases the electric field strength is independent of distance?

The electric field is independent of distance ONLY for an infinite sheet of uniform charge distribution. (And also for the trivial case of a volume that has zero electric field throughout its volume.) A single point of electric charge has a field that falls off as the inverse square of distance.

Is the potential difference Va VB positive negative or zero?

The potential due to a point charge decreases with increase of distance. So in case i VA -VB is positive. For case ii VA -VB is negative.

How does the electric field due to an infinite line of charge depend on the distance to the line?

if you have a point r distance above the end of the line, as the distance increases the electric field would decrease because the “ends” behave like point charges.

How do you find the distance in an electric field?

the magnitude of the electric field (E) produced by a point charge with a charge of magnitude Q, at a point a distance r away from the point charge, is given by the equation E = kQ/r2, where k is a constant with a value of 8.99 x 109 N m2/C2.

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Does electric potential increase with distance?

Actually, electric potential decreases as you move farther from a charge distribution. … That’s because like charges repel each other, so it takes more and more energy to move the charges together the closer you get.