Electrical Machinery - A Practical Study Course on Installation, Operation and Maintenance #262090

Production of Voltage.~ — Electric Pressure and Temperature — Unit of Electric Current. — Electrical Resistance — No Perfect Insulator of Electricity. — Pump Analogy of Electric Circuit. — Measurement of Pressure — Measurement of Current Flow. — How to Increase Voltage. — Pump Analogy of Voltage Sources in Series — How Current is Increased — Pump Analogy of Current Sources in Parallel. Series-parallel and Parallel — Series Connections.