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

The ribs and sternum are connected by a. immovable joints. b. partly moveable joints. c. movable joints. d. none of the above
Find all values of k so that the trinomial x^2+kx-35 can be factored using integers.
A pendulum has a period of 0.3 second. What is its frequency?
I have to draw a diagram of the ingredient's particles in a pancake. E.g milk eggs etc the diagram must include what the particles are like before and after bei
What two numbers multiply to get 120 and add or subtract to get negative 22?
How would you solve 7 - 3y = 22
When was gunpowder invented?
The ratio of boys to girls in the ninth grade is 6:5. If there are 185 girls in the class, how many boys are there.
find exact value using reference anglescot -53pi/6
Find all values of k so that the trinomial x^2+kx-35 can be factored using integers.