minnionminnion786 minnionminnion786

12-05-2019
Physics

contestada

how are electromagnets and bar magnets alike and how are they different ?

Respuesta :

blazing33 blazing33

12-05-2019

An electromagnet is made from a coil of wire which acts as amagnet when an electric current passes through it. Often anelectromagnet is wrapped around a core of ferromagnetic material like steel, which enhances the magnetic field produced by the coil.

Answer Link

Otras preguntas

PLEASE HELP QUICK!!!!!!!!!!!!!!!!!!!!!!!!

-45g-9g^3 = (-1)•[]•5•g+(-1)•[]•g•[]•[] = -9g(5+g^2)

Why is it important to test sending an electronic résumé before sending it to an employer?

Which is a zero of the quadratic function f(x) = 9x2 – 54x – 19?

1. All these were reasons Britain taxed the colonists and enacted laws EXCEPT O (A) to raise money (B) to secure peace with Native Americans (C) to control the

a race car starts from rest in the pit area and accelerates at a uniform rate to a speed of 37 m/s in 11 s , moving on a circular track of radius 500 m. the car

why is vitamin c needed for our body? write the important of asxorbic acid

A particle moves along the r-axis so that its velocity vat any given time t, for 0 St $ 16, is given byW(0) =e»-1. At time r=0, the particle is at the origin. A

scientist are always learning new things. which of the following shows how scientists use observations to gain new understanding about the world?

orion iron corporation tracks the number of units purchased and sold throughout each year but applies its inventory costing method at the end of the year, as if