According to the modern atomic model, electrons in an atom are always

The electrons always orbit around the nucleus, forming what is called an electron cloud. :)

How do we find the answer?

Firstly, the water in the dams hold gravitational potential energy as they are above ground level. the gravitational potential energy is then transferred to kinetic energy as it falls, spinning the turbinethe turbine then spins the generator, which is a large magnet surrounded by metal coils. by doing this, the generator generates electricity. in this action, the energy transfer taken place is kinetic to electric energy