esauter esauter

30-01-2018
Physics

contestada

Which devices might use electromagnets? pick all that apply.
1. audio speakers
2. plastic combs
3. trains
4. doorbells
5.revolving chairs
6.cranes

Respuesta :

Vespertilio Vespertilio

18-06-2019

Answer:

1. audio speakers

3. trains

4. doorbells

6. cranes

Explanation:

Electromagnets are the magnets which can work when the electric current pass through them. The strength of electromagnet depends on the amount of current passing through it, number of turns in the coil and the nature of material of core.

Electromagnet is used in

1. audio speakers

2. trains

3. doorbells

4. cranes

Answer Link

ct213030 ct213030

20-05-2020

Answer:

1. audio speakers

3. trains

4. doorbells

6. cranes

Explanation:

Answer Link

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