CONDUCTORS, INSULATORS, & SEMICONDUCTORS

Which of the following is considered as future elements in manufacturing electronic devices like industrial-control equipment, communication with data-processing, etc.

• Conductors

• Insulators

• Semiconductors

• Superconductors

What is the resistivity of conductors when the temperature increases?

• It also increases

• It decreases

• It is the same

• There is no resistivity in conductors

How many valence electrons of insulators are there in its outermost shell?

• Eight valence electrons

• Six valence electrons

• Four valence electrons.

• One valence electrons.

Why are electrical insulators important?

• They provide power for electric circuits

• They help conduct heat

• They help the flow of electricity

• They are used to protect us from electricity

Which of the following is the most conductive element?

• Silver

• Silicon

• Carbon

• Iron

What type of materials is resistant to the flow of electricity?

• conductors

• superconductors

• insulators

• semiconductors

Which of the following is a good insulator?

• paper

• air

• glass

• silver

What element is a good electrical semiconductor?

• Silicon

• Copper

• Aluminum

• Silver

What is the phenomenon of transferring charge, electricity, or heat in any material or substance?

• Conductivity

• Resistivity

• Polarity

• Bonding

What type of bonding do semiconductors have?

• Metallic bonding

• Ionic bonding

• Covalent bonding

• Semi-metal bonding