What causes an electric current in a wire?

A.
Electric fields cause atoms to move in the wire.

B.
Electrons flow because of electrical attraction and repulsion.

C.
Electrons move because of heat.

D.
Electrons build up in the wire and create a charge.

Question

What causes an electric current in a wire? 	
	
 
A.
	Electric fields cause atoms to move in the wire.
	
 
B.
	Electrons flow because of electrical attraction and repulsion.
	
 
C.
	Electrons move because of heat.
	
 
D.
	Electrons build up in the wire and create a charge.

anonymous · Answer

@Destinymasha

destinymasha · Answer

an electric current is formed when electrons move forward.....

destinymasha · Answer

its B

ybarrap · Answer

Because of the Lorentz force, a charge in the presence of an electric field will move in the direction of that field, causing the current in the wire. http://en.wikipedia.org/wiki/Lorentz_force_law#Lorentz_force_law_as_the_definition_of_E_and_B