BU 2 - Module 2 - Quiz

What is the unit of electrical current?

• Volt

• Ampere

• Watt

• Ohm

Who is the unit of electrical current named after?

• James Watt

• George Ohm

• Andre-Marie Ampere

• Benjamin Franklin

Define alternating current.

• Current that flows continuously in one direction

• Current that flows back and forth rapidly

• Current that flows from positive to negative

• Current that flows from negative to positive

What is a circuit?

• A closed loop through which current can flow

• A device that generates electricity

• A material that blocks the flow of current

• A unit of electrical resistance

How is current defined?

• The flow of free electrons in the opposite direction

• The flow of free electrons in a conductor

• The flow of positive charges in a conductor

• The flow of negative charges in a conductor

According to conventional flow theory, which direction do electrons flow?

• From positive to negative

• From negative to positive

What are conductors?

• Materials that block the flow of current

• Materials that allow the free flow of electrons

• Materials that generate electricity

• Materials that change voltage levels

Define direct current.

• Current that flows back and forth rapidly

• Current that flows from positive to negative

• Current that flows continuously in one direction

• Current that flows from negative to positive

What is electricity?

• A form of energy resulting from moving electrons

• A material that conducts current

• The force that drives current flow

• The unit of electrical resistance

Define electric circuit.

• A closed loop through which current can flow

• A device that generates electricity

• A material that blocks the flow of current

• A unit of electrical resistance