When electrical energy is converted into motion

Turbines and Dynamos are used to convert which energy to electrical energy?

In electrical motor :

The commercial unit of electrical energy is kilowatt-hour (kWh), which is equal to

A 100 W electric bulb is used for 10 hours a day. How many units of electrical energy are consumed by the bulb in 3 days ? (1 unit = 1 kWh)

Electricity consumption bill is based on the measurement of –