heat energy only heat energy and sound energy only heat energy, sound energy, and mechanical energy only heat energy, sound energy, mechanical energy, and chemical energy
Household appliances convert electricity into one or more different forms of energy. An electric fan can best be described as converting electricity into

Options:
- heat energy only
- heat energy and sound energy only
- heat energy, sound energy, and mechanical energy only
- heat energy, sound energy, mechanical energy, and chemical energy

heat energy, sound energy, and mechanical energy only