Electronics 3 Question Preview (ID: 19954)


3rd Review. TEACHERS: click here for quick copy question ID numbers.

A semiconductor device that can be used as an oscillating switch or timer, turning a circuit on or off.
a) Transistor
b) SPST Switch
c) SCR Rectifier
d) Intergrated Circuit

A resistor that is used to vary the value of the voltage applied to a circuit, increasing or decreasing the flow of electrons in a circuit
a) Resistor
b) Potentiometer
c) Capacitor
d) Anode

An electrical device formed of two or more cells connected together in series,
a) Anode
b) Cathode
c) Switch
d) Battery

A semiconductor device used to control current and amplify the input voltages making the signal stronger at the collector.
a) SCR Rectifier
b) Transistor
c) Diode
d) Compacitor

A device similar to a battery, that stores up electrons the discharges the electrons into a circuit when the power source is removed.
a) Battery
b) Charger
c) Capactior
d) Transistor

A device used to open and close a circuit
a) SPST Switch
b) Potentiometer
c) Battery
d) Gate

A material in a circuit that provides an easy path through which electrons can move through the circuit.
a) Anode
b) Cathode
c) Conductor
d) Insulator

A semiconductor that rectifies AC into DC current and is used in all electronic equipment plugged into AC
a) SCR Rectifier
b) Diode
c) Resistor
d) Transistor

A device used to control current and voltage in a circuit operating on a fixed value
a) Battery
b) Resistor
c) Potentiometer
d) SCR Rectifier

An electronic device that acts as a load, has polarity and emits light when the p-n junction is forward based.
a) Transistor
b) Diode
c) Resistor
d) LED

A negatively charged electrode or lead on an electronic device that has polarity.
a) Anode
b) Electron
c) Proton
d) Cathode

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