M3 Electrical fundamentals Cat A

What are the particles that are in the nucleus of an atom?

• protons and neutrons
• electrons and neutrons
• protons and electrons
• protons and electrons and neutrons

what is the charge on a neutron?

• 1
• 2
• 0
• -1

What charge does an electron carry?

• Negative
• No charge
• Neutral
• Positive

A material that allows the free movement of electrons is called

• conductor
• resistor
• semiconductor
• insulator

In coulombs, what charge does a proton carry?

• 0

A material that uses doping to increase conductivity is known as

• conductor
• insulator
• semiconductor
• superconductor

A material the electrons are tightly bonded to the atom/molecule is know as

• metal
• semiconductor
• conductor
• insulator

The decomposition of chemical compounds by passing an electric current through a liquid is called

• electrolysis
• electroplating
• electromagnetism
• electrostatics

When crystal bonds are broken in a semi-conductor. The breaking of bonds releases

• an electrons and a proton

• a neutron and a hole

• a photon and an electron

• an electron and a hole

What happens to water when an electric current is applied?

• Water turns into steam.
• Water freezes into ice.
• Water evaporates into the air.
• Water molecules decompose into hydrogen and oxygen gases.