Question

What happens when electrical energy is used to power stereo speakers?

A.
Energy is neither lost nor gained as electrical energy is transformed into the energy of sound.

B.
Energy is gained as electrical energy transforms into the energy of sound.

C.
Energy is lost as electrical energy transforms into the energy of sound.

D.
Energy is neither lost nor gained as sound energy transforms into electrical energy.

Answer 1

Since energy can neither be created nor destroyed and it just changes from one form to another...so...

A.
Energy is neither lost nor gained as electrical energy is transformed into the energy of sound.