Conductors and Insulators

How many major groups of materials are there when it comes to their ability to conduct electricity

• Three

• Two

• Four

What are the names of materials that do not conduct electricity well?

Why do conductors conduct current well?

• They Have Free Electrons

• They Are Hollow

• They Are Made Of Metal

• They Have Free Neutrons

What is the most common conductor on our planet?

• Copper

• Iron

• Aluminium

• Tin

Which metal has a pink color?

• Copper

• Pig Iron

• Cobalt

Which material is the most advantageous insulator to use for fault detection?

• Glass

• Porcelain

• Rubber

Which metal ranks first in terms of resistivity?

• Copper

• Silver

• Iron

• Aluminium

What kind of glass is used in the manufacture of insulators?

• Reinforced

• Hardened

• Borosilicate

Which metal is usually rolled into strips and stretched on a wire?

• Copper

• Silver

• Cobalt

• Nickel

"Allow electric charge to flow easily" is?