This chapter is a very brief overview of some key concepts in electricity and magnetism. In the next chapter we will use these concepts to explain how microphones, speakers and digital recording work....This chapter is a very brief overview of some key concepts in electricity and magnetism. In the next chapter we will use these concepts to explain how microphones, speakers and digital recording work. Ohm's law, charge, coulombs, current, amperes, electrical potential, volts, resistance, ohms, magnetic field, compass, tesla, gauss, electromagnet, force on an electric charge in a magnetic field, electric motor, Faraday's law, electric generator.
