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Electronics 3
Test Description: 3rd review
Instructions: Answer all questions to get your test result.
1) An electronic device that acts as a load, has polarity and emits light when the p-n junction is forward based.
A
Diode
B
LED
C
Resistor
D
Transistor
2) A device used to control current and voltage in a circuit operating on a fixed value
A
Resistor
B
Potentiometer
C
Battery
D
SCR Rectifier
3) A semiconductor that rectifies AC into DC current and is used in all electronic equipment plugged into AC
A
Resistor
B
Transistor
C
Diode
D
SCR Rectifier
4) A material in a circuit that provides an easy path through which electrons can move through the circuit.
A
Insulator
B
Anode
C
Conductor
D
Cathode
5) A device used to open and close a circuit
A
Potentiometer
B
SPST Switch
C
Gate
D
Battery
6) A device similar to a battery, that stores up electrons the discharges the electrons into a circuit when the power source is removed.
A
Capactior
B
Transistor
C
Battery
D
Charger
7) A semiconductor device used to control current and amplify the input voltages making the signal stronger at the collector.
A
Transistor
B
Diode
C
Compacitor
D
SCR Rectifier
8) An electrical device formed of two or more cells connected together in series,
A
Cathode
B
Anode
C
Switch
D
Battery
9) 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
Capacitor
B
Resistor
C
Potentiometer
D
Anode
10) A semiconductor device that can be used as an oscillating switch or timer, turning a circuit on or off.
A
Intergrated Circuit
B
SPST Switch
C
SCR Rectifier
D
Transistor
11) A negatively charged electrode or lead on an electronic device that has polarity.
A
Cathode
B
Anode
C
Proton
D
Electron
*select an answer for all questions
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