Sta0ngirl4esameow Sta0ngirl4esameow
  • 12-01-2017
  • Physics
contestada

Why is an iron core needed in an electromagnet?

Respuesta :

MissPhiladelphia
MissPhiladelphia MissPhiladelphia
  • 20-01-2017
An iron core is needed in an electromagnet because it  serves to increase the magnetic field created. It has a ferromagnetic properties. An electromagnet is essentially just a battery attached to a coil of wire wrapped around a metalcore. 
Answer Link

Otras preguntas

Answer the following questions. 0 O 1) A is a group of sentences that together discuss a single topic. thesis supporting thought O paragraph
What effect does replacing x with x - 4 have on the graph for the functionſ (x)? f(x) = |x – 6| + 2
the movement to inspire religious freedom was know as the enlightenment
In right angle triangle OAB,[tex] {ob}^{2} = {oa}^{2} + {ab}^{2} = |?| + |?| [/tex]​
solve the following pair of simultaneous equations. you can use any 3 methods. 2x- y= 5, x+2y=5.​
(Last one is point W)PLEASEEE HELP DUE SOON
Which tissue is important for supports and storage? ​
Speed is also the reason that a meteoroid sometimes has a tail that is many miles long. What is most likely the technical meaning of "tail"? A. a thin rock form
Fill in the blank with the French word that best completes the following sentence. If you eat too many desserts, you could become O maigre O gros O mince O cost
main and secondary characters in pocahontas by joseph bruchac! 30 points