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This textbook emphasizes connections between theory and application, making physics concepts interesting and accessible to students while maintaining the mathematical rigour inherent in the subject. Frequent, strong examples focus on how to approach a problem, how to work with the equations, and how to check and generalize the result.
A capacitor is a device used to store electrical charge and electrical energy. It consists of at least two electrical conductors separated by a distance. (Note that such electrical conductors are sometimes referred to as “electrodes,” but more correctly, they are “capacitor plates.”) The space between capacitors may simply be a vacuum, and, in that case, a capacitor is then known as a “vacuum capacitor.” However, the space is usually filled with an insulating material known as a dielectric. (You will learn more about dielectrics in the sections on dielectrics later in this chapter.) The amount of storage in a capacitor is determined by a property called capacitance, which you will learn more about a bit later in this section.
Introduction
1 Electric Charges and Fields
2 Gauss's Law
3 Electric Potential
4 Capacitance
5 Current and Resistance
6 Direct-Current Circuits
7 Advanced Circuit Analysis Techniques
8 Magnetic Forces and Fields
9 Sources of Magnetic Fields
10 Electromagnetic Induction
11 Inductance
12 Alternating-Current Circuits
Appendices