Two capacitors are in parallel, with capacitance values of and . What is their equivalent capacitance?

Two point charges, and are separated by a distance .

The values of the charges are:

The distance is 4.0cm. The point lies 1.5cm away from on a line connecting the centers of the two charges.

What is the magnitude and direction of the net electric field at point due to the two charges?

You are standing on top of a very large positively charged metal plate with a surface charge of .

Assuming that the plate is infinitely large and your mass is , how much charge does your body need to have in order for you to float?

What is the electric force between two charges, and , located apart?

A point charge of exerts a force of on another charge with . How far apart are the two charges?

What is the magnitude of the electric field at a field point from a point charge of ?

Two positive point charges of and are place at a distance away from each other, as shown below. If a positive test charge, , is placed in between, at what distance away from will this test charge experience zero net force?

We have a point charge of . Determine the electric field at a distance of away from that charge.

A proton moves in a straight line for a distance of . Along this path, the electric field is uniform with a value of . Find the force on the proton.

The charge of a proton is .