Elements of Electricity

Magnetism, Static electricity, Electricity in motion-electrical currents, Measuring of electric current, Primary cells, Ohm's law, Electrolysis-measurement of current strength, laws of resistance, Meaurement of p.d, Measurement of e.m.f of a cell by potentiometer method, Measurement of resistance, Electromagnetism, Applications of electromagnets, Chemical effects of the electric current, Heating effects of electric current, General principles, Induction coil and its uses, Induction-coil dscharge phenomena, Radioactivity, Radiotelegraphy, Telephome, Dynamo-electric machines,