The friction of your feet on a carpet generates static electricity. When you then touch the metal doorware its earths through you causing the charge to pass to the door.
4
electricity
Static electricity
Static , water dams produces and generates electricity
None. A generator generates electricity, it does not store it.
Static , water dams produces and generates electricity
Build a turbine at the bottom and the rotation of the turbine generates the electricity.
sun
turbine
sun
spell