5A - ELECTROSTATICS

5B - ELECTRIC FIELDS AND POTENTIAL

5C - CAPACITANCE

5D - RESISTANCE AND CONDUCTION

5E - ELECTROMOTIVE FORCE AND CURRENT

5G - MAGNETIC MATERIALS

5H - MAGNETIC FIELDS AND FORCES

5K - ELECTROMAGNETIC INDUCTION

5L - AC CIRCUITS

5M - SEMICONDUCTORS AND TUBES

5N - ELECTROMAGNETIC RADIATION