Respuesta :

yungliberty

Answer:

1. False

some metals are ferromagnetic

2.True

3. True

4. True

5. False

The strength of electromagnetic can be increased by increasing the number of wire around it

MisterBrainly

#1

  • False

Very few like Fe,Ni ,Co are ferromagnetic.

  • Most are para magnetic
  • Some are dia magnetic

#2

True

#3

True

#4

It's Orsterd experiment conclusion

  • True

#5

  • False

Because

[tex]\sf B=\mu_o nI[/tex]

If you decrease no of turns magnetic force decreases

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