24 COULOMB'S LAW
25 THE ELECTRIC FIELD, GAUSS'S LAW
26 POTENTIAL
27 CAPACITANCE, PROPERTIES OF DIELECTRICS
28 CURRENT, RESISTANCE, AND ELECTROMOTIVE FORCE
29 DIRECT-CURRENT CIRCUITS AND INSTRUMENTS
30 THE MAGNETIC FIELD
31 MAGNETIC FORCES ON CURRENT-CARRYING CONDUCTORS
32 MAGNETIC FIELD OF A CURRENT
33 INDUCED ELECTROMOTIVE FORCE
34 MAGNETIC PROPERTIES OF MATTER
35 ALTERNATING CURRENTS
36 ELECTROMAGNETIC WAVES
37 THE NATURE AND PROPAGATION OF LIGHT
38 REFLECTION AND REFRACTION AT PLANE SURFACES
39 IMAGES FORMED BY A SINGLE REFLECTION OR REFRACTION
40 LENSES AND OPTICAL INSTRUMENTS
42 POLARIZATION
43 ATOMS, ELECTRONS, AND PHOTONS
44 RADIOACTIVITY AND NUCLEAR PHYSICS