_____1.These are materials that permit electrical current,heat and sound to flow freely.
A.diode
B.Insulator
C.Capacitor
D.Conductor
_____2.These are materials that hinder electricity,heat and sound to flow freely.
A.Diode
B.Insulator
C.Capasitor
D.Cinductor
_____3.Which among of these is an insulator?
A.Rubber
B.Lead
C.Copper
D.Bronze
_____4.What is made up of multiple strand grouped together to form a single conductor?
A.Solid
B.Chemical
C.stranded
D.None of them
_____5.Which of the following is NOT a type of computer cable?
A.VGA
B.HDMI
C.Coaxial
D.DVI​