Electricity and electronics for beginners

How generator and power station work, alternating voltage, electrical power of generators and consumers, three-phase and effective voltage, how does a transformer work, electricity transfer network, consumer electricity network, electricity bill, electricity safety, Air conditioner and refrigerator, electric motor, batteries and accumulators, how much does a generator cost, renewable energies, digital electronics, how does an amplifier work, power supply (analog / parallel electronics).