Definitions Of Symbols Used In Equations – Glossary – Principles Of Electricity Atomic Structure – Electronic ‘Holes – Conductors, Semiconductors – And Insulators – Voltage And Current – Ohm’s Law – Conductance – Linear And Nonlinear Resistors – Electrochemistry – Batteries And Other – Sources Of Emf – Alternating Current – Mutiples And Submultiples Of – Units – Some Basic Electrical – Quantities – Selftest Questions – Summary Of Important Facts – Electrochemical Effect – Ions – Electrolysis – An Example Of Electrolysis – Electroplating – Faraday’s Laws Of Electrolysis – Cells And Batteries – A Simple Voltaic Cell – Internal Resistance Of A Cell – Limitations Of Simple Cells – The ‘Dry’ Cell – Other Types Of Primary Cell – Storage Batteries – Thermoelectricity – The Hall Effect – The Piezoelectric Effect – The Photovoltaic Cell Or Solar – Cell – Selftest Questions – Summary Of Important Facts – Resistors And Electrical Resistor Types .