hop3khoaleGly hop3khoaleGly

29-03-2016
Geography

contestada

How is an electromagnetic different from a bar magnet?

Respuesta :

forbie01 forbie01

29-03-2016

An electromagnet differs from a bar magnet as to make it become magnetic, an electric current is passed though copper wire. A bar magnet is continuously magnetic and does not need electricity passing through it.

Answer Link

kmcarver634 kmcarver634

01-05-2019

Answer:

c) Electromagnets are only magnetized when a current flows through a wire wrapped around the core.

this is the answer

Explanation:

Answer Link

Otras preguntas

Which expression is equivalent to the given expression? 12(x – 17) A. 12 12 • 17 B. 12x – 17 C. 12x – 12 • 17 D. 12x – 29

What were NOT factors for wartime economic growth? a. the need to supply a global army b. government management of scarce resources c. full employment d. th

Which series lists the structural components of the light-dependent reactions in order, from innermost to outermost? (a.)chlorophyll - thylakoid - stroma - chlo

Which of the following describes an aquifer's ability to allow water to flow through? A. porosity. B permeability. C geology. D recharge zone.

Yo prevent tyranny the authors of the constitution drew on Montesquieus concept of having

what is the answer for 4.1-2.7

Unlike exoskeletons, endoskeletons A. are relatively heavy.B. protect the animal well.C. need to be molted.D. can grow as the animal grows.

Imagine you are reading a journal written by a woman during the time of the american civil war. If you were to use this as historical evidence, why would it be

In 1998, paleoanthropologist Rick Potts published an article in The Yearbook of Physical Anthropology, a peer-reviewed journal. The article was titled “Environm

Belief that assimilating immigrants into american society would make them more loyal citizens?

ACCESS MORE EDU ACCESS