English for Electrical Engineering - What is Electricity?

Atoms consist of protons, neutrons and ... .

• elements

• electrons

• volts

• nucleus

Electrons can easily pass through any material.

• TRUE

• FALSE

Any material is a good conductor.

• TRUE

• FALSE

Insulating materials resist the flow of electrons.

• TRUE

• FALSE

The presence of free electrons affects the conductivity of materials.

• TRUE

• FALSE

The number of electrons passing a given point in a conductor per second is measured in ...

• Ampere

• Coulomb

• Kilowatt

• Volt

The quantity of electricity transferred by a steady current of one ampere is measured in ...

• Ampere

• Coulomb

• Kilowatt

• Volt

What is the unit of `the amount of energy used`?

• Ampere

• Coulomb

• Kilowatt

• Volt

The difference of potential between two points on a conductor is measured in ...

• Ampere

• Coulomb

• Kilowatt

• Volt

A continuous flow of electrons in one direction is called ....

• alternating current

• direct current

• frequency