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

What is the equation in point-slope form of the line that passes through the point (3, −2) and has a slope of 2/3?
Si está de acuerdo con alguien, le das tu ____. A. entendimiento B. aprobación C. afecto D. guiño
Unfortunately I don’t have _____ brothers, but I have a two twin sisters.
I need help with this for an assignment.
Someone please help me with these 2 problems :(
Chase grew up wanting to wear his sister's dresses over his brother's pants and button up shirts. when chase turns 18, he decides to begin living as woman, thou
How many terms are in the expression shown below? x^2 - 10xy + 3y + y^2 - 1 2 3 4 5
Why do you think Civil Rights leaders such as John Lewis thought it was essential for African Americans to gain the right to vote? Why do you think they thought
Which of the following values of x satisfy the equation 3x^2-8x+4=0
Propane (c3h8) is burned in oxygen to produce carbon dioxide and water. the heat of combustion of propane is -2012 kj/mole. how much heat is given off when 3.0