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Chapter 18

Electric and magnetic fields

LEARNING OBJECTIVES

In this chapter you will learn how to:

●understand the concept and properties of electric charge

●charge a body by electrostatic induction

●apply Coulomb’s law

●understand the concept of electric field

●work with magnetic fields

●determine the direction of the magnetic fields created by straight currents and coils

●recognize how magnetic fields exert magnetic forces on moving charges and electric currents

understand the concept of electric potential and electric potential energy

understand the connection between electric field lines and equipotential surfaces

GUIDING questions

●What is the electric force between charged particles?

●What is the magnetic force on moving charged particles?

●What is the connection between electricity and magnetism?