WorksheetsBU 2 - Module 2 - Quiz
Total questions: 20
Worksheet time: 10mins
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
According to electron flow theory, which direction do electrons flow?
From positive to negative
From negative to positive
Define electric power.
The flow of electrons from one point to another
The rate at which electrical energy is transferred
The force that drives current flow
The unit of electrical resistance
What is electrical energy?
The flow of electrons in a conductor
The ability of a material to conduct electricity
Energy generated by the movement of electrons
The unit of electrical resistance
What are insulators?
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 ion.
A small particle with a net electrical charge
A material that conducts electricity
The force that drives current flow
The unit of electrical resistance
What is resistance?
The flow of electrons from one point to another
The rate at which electrical energy is transferred
The restriction to the flow of electrons through a conductor
The ability of a material to conduct electricity
State Ohm's Law.
Voltage is directly proportional to current
Current is directly proportional to resistance
Voltage is inversely proportional to resistance
Current is inversely proportional to voltage
What is a parallel circuit?
A circuit with multiple paths for current to flow
A circuit with a single path for current to flow
A device that changes voltage levels
A device that generates electricity
What do transformers do?
Block or retard the flow of electric current
Conduct electricity through a closed circuit
Generate electricity from movement of electrons
Convey and shift electricity from one circuit to another
Define voltage.
The flow of electrons in a conductor
The ability of a material to conduct electricity
The force that drives current flow
The electric potential difference between two points
