Which of the following is a measure of the work done in moving a unit positive charge across two points in an electric circuit? potential difference between the points the electrical power between the points the resistance between the points. The current flowing between the points

An electrical conductor contains free charges that can drift through it. These free charges are: protons electrons ions neutrons

5 J of work is required to move 1 C of charge from one end of a conductor to the other. What is the potential difference between the ends of the conductor? 5 V 300 V 0.2 V 15 v

If a charge q1 is placed at a distance r from a charge q2, what is the equation that describes the electrostatic force between them?

A, B' C and D are charged spheres and the diagram below shows howthev interact with each other. E H Spheres A and B are set up side by side and spheres C and D are also set up side by side. Based on the information from the top diagram, which of the following is 3% E the correct representation of how these spheres interact? craps my? The figure below shows the electric field lines around an object. Which of the following statements is true about this object? O The object carries a net positive charge O The object carries equal amounts of positive and negative charges. O The object carries a net negative charge The object carries no net electric chargeFrom the diagrams below, choose the one that correctly shows the magnetic field around a bar magnet. A) C) N S N S N B) D) S IN N N N S OA OC OD OB