What kind of energy transformation take place in an electric fan and a loudspeaker ?

What type of energy transformation takes place in an electric generator ?

What type of energy transformation take place in electric generator?

What kind of energy transformation takes place in an electric motor ? Name any two devices which use electric motor as an essential component of their working .

What kind of energy transformations take place at a hydroelectric power station ?

What kind of energy transformation takes place at a thermal power station?

What is the energy transformation that takes place in a solar cell?

What is the energy transformation in a solar cell?