Electric Field Lines Practice Problems

A metal rod of length p carries a uniform +q charge along its length. What will be the approximate representation of its surrounding electrical field lines while considering points very far from the rod up to 5 times its length?

Imagine two charges in space: 2Q (positive), and 4Q (negative), separated by a distance d. The arrangement of electric field lines around these charges demonstrates the distribution of electric fields in the space between and around the charges. Which illustration correctly demonstrates this?

Two identical and infinite parallel plates are separated by a distance d. Both plates carry an equal negative charge. Illustrate the direction of electric field vectors between, and outside the plates.

The figure below shows two horizontal parallel metal plates with a separation distance d between them. Determine the electric field vectors at points A, B and C if connecting these plates to a battery results in one plate acquiring a uniform charge density of σ₁ = +2σ₀ and the other plate obtaining a uniform charge density of σ₂ = -σ₀.

Imagine a spherical shell where the inner surface has a negative charge while the outer surface has an equivalent positive charge as shown in the figure. Draw this figure on your paper, then sketch out the direction of electrical fields.