Electronics 3 Question Preview (ID: 19954)


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

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

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

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 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

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

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

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

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