Why is copper wire a better conductor of electricity than carbon fiber?(1 point)
Copper (Cu) has no loose electrons.
Copper (Cu) is a metal, and only metals can conduct electricity.
The electrons in copper (Cu) are loosely bound to the nucleus.
Carbon (C) does not have any valence electrons.
Which of the following best describes a direct current?(1 point)
a stationary electrical charge
the flow of electric charges through a conductor
an electrical current that flows in alternating directions back and forth
an electrical current that flows in one direction
Which of the following substances would allow an electric current to flow through it easily?(1 point)
carbon (C)
aluminum (Al)
rubber
glass
Which of the following statements about electrical charges is true?(1 point)
Opposite charges attract one another.
Opposite electrical charges repel one another.
Like charges and opposite charges have no effect on one another.
Like charges attract one another.
Which of the following statements best describes the relationship between atoms and conductivity?(1 point)
Atoms with many electrons make good insulators.
Atoms with few electrons make good conductors.
Atoms with a nearly empty valence shell make good conductors.
Atoms with a full valence shell make good conductors.
1 answer