7th Grade PLTW Electronics Key Term Flashcard 3 option 10- question

Front

An electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.

Back

Alternating Current

Front

A container consisting of one or more cells, in which chemical energy is converted into electricity and used as a source of power.

Back

Battery

Front

A two-terminal electronic component that conducts current in only one direction.

Back

Diode

Front

An electric current that flows in only one direction.

Back

Direct Current

Front

A resistor that has a value that cannot be changed.

Back

Fixed Resistor

Front

The SI (metric) unit of electrical resistance.

Back

Ohm

Front

A device used to introduce some amount of resistance into a circuit.

Back

Resistor

Front

A mechanical device for making and breaking the connection in a circuit

Back

Switch

Front

A resistor whose value can be varied between its minimum and maximum values.

Back

Variable Resistor

Front

The pressure from an electrical circuit's power source that pushes electrons (current) through a conductor.

Back

Voltage