Automotive Electrical and Electronic Systems Classroom Manual Fifth Edition Update by John F. Kershaw

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Introduction to
Electricity
LEARNING
OBJECTIVES
Upon completion and review of this chapter, you
should be able to:
• Define electricity, atomic structure, and electron
movement and explain atomic theory in
relation to battery operation, using like and
unlike charges.
• Explain the different sources of electricity.
• Describe the scientists who were instrumental
in the development of the different tenets
of electrical theory.
KEY TERMS
Amber
Atom
Battery
Current
Electricity
Electrolyte
Electron
Electrostatic Discharge (ESD)
Horsepower
Ion
Matter
Neutron
Nucleus
Photoelectricity
Piezoelectricity
Proton
Static Electricity
Thermocouple
Thermoelectricity
Valence
Voltage
INTRODUCTION
This chapter reviews what electricity is in its basic
form. We will look at natural forms of electrical
energy, and the people who have historically played
a part in developing the theories that explain electricity.
It is extremely important for automotive
technicians to learn all that they can about basic
electricity and electronics, because in today’s modern
automobile, there is a wire or computer connected
to just about everything.
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