T6D-2010: Component functions
T6D01:
Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Rectifier
Transformer
Amplifier
Reflector
T6D02:
What best describes a relay?
A switch controlled by an electromagnet
A current controlled amplifier
An optical sensor
A pass transistor
T6D03:
What type of switch is represented by item 3 in figure T2?
Single-pole single-throw
Single-pole double-throw
Double-pole single-throw
Double-pole double-throw
T6D04:
Which of the following can be used to display signal strength on a numeric scale?
Meter
Potentiometer
Transistor
Relay
T6D05:
What type of circuit controls the amount of voltage from a power supply?
Regulator
Oscillator
Filter
Phase inverter
T6D06:
What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?
Transformer
Variable capacitor
Transistor
Diode
T6D07:
Which of the following is commonly used as a visual indicator?
LED
FET
Zener diode
Bipolar transistor
T6D08:
Which of the following is used together with an inductor to make a tuned circuit?
Capacitor
Resistor
Zener diode
Potentiometer
T6D09:
What is the name of a device that combines several semiconductors and other components into one package?
Integrated circuit
Transducer
Multi-pole relay
Transformer
T6D10:
What is the function of component 2 in Figure T1?
Control the flow of current
Give off light when current flows through it
Supply electrical energy
Convert electrical energy into radio waves
T6D11:
Which of the following is a common use of coaxial cable?
Carry RF signals between a radio and antenna
Carry dc power from a vehicle battery to a mobile radio
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer
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