Question

A.
1. In metals, electric current is due to the flow
of
a) protons
c) neutrons
b) electrons
d) ions
-​

Answer 1

Answer:

Flow of electric current in a metal

So, these electrons are free electrons. These free electrons move freely in all the directions. Different electrons move in different directions and with different speeds. So there is no net movement of the electrons in any particular direction.

electrons

Answer 2

Answer:

Option b) electrons is the correct answer.

An electric current flows when electrons move through a conductor, such as a metal wire. Metals are good conductors of electricity. Electricity passes through metallic conductors as a flow of negatively charged electrons. The electrons are free to move from one atom to another.