which devices might use electromagnets? check all that apply. audio speakers plastic combs trains doorbells…
which devices might use electromagnets? check all that apply. audio speakers plastic combs trains doorbells revolving chairs cranes
Answer
Answer:
- audio speakers
- trains
- doorbells
- cranes
Brief Explanations:
Audio speakers convert electrical signals to sound using electromagnets. Maglev trains use electromagnets for levitation and propulsion. Doorbells have electromagnets to strike the bell. Cranes can use electromagnets to lift and move metal - objects. Plastic combs and revolving chairs do not use electromagnets.