Physics Quiz 3

Which of the following is not a vector: electric line force, electric force, electric field, electric potential?

One joule per coulomb is a

Two identical aluminum objects are insulated form their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at a higher potential?

For a proton moving in the direction of the electric field

For an electron moving in a direction opposite to the electric field

Several electrons are placed on a hollow conducting sphere. They

A small charged ball is accelerated from rest to a speed v by a 500 V potential difference. If the potential difference is changed to 2000 V, what will the new speed of the ball be?

A surface on which all points are at the same potential is referred to as

A negative charge is moved from point A to point B along an equipotential surface.

An equipotential surface must be

The energy acquired by a particle carrying a charge equal to that on the electron as a result of moving through a potential difference of one volt is referred to as

The electron-volt is a unit of

One electron-volt corresponds to

The absolute potential at a distance of 2.0 m from a positive point charge is 100 V. What is the absolute potential 4.0 m away from the same point charge?

The absolute potential at a distance of 2.0 m from a negative point charge is -100 V. What is the absolute potential 4.0 m away from the same point charge?

The absolute potential at the exact center of a square is 3.0 V when a charge of +Q is located at one of the square's corners. What is the absolute potential at the square's center when each of the other corners is also filled with a charge of +Q?

The absolute potential at the center of a square is 3.0 V when a charge of +Q is located at one of the square's corners. What is the absolute potential at the square's center when a second charge of -Q is placed at one of the remaining corner?

Electric dipoles always consist of two charges that are

One coulomb per volt is