Online courses for the ham radio license exams. The QSO Radio Show
 

Technician Class Exam Question Pool

effective 7/01/2014 thru 6/30/2018

Show:
    Unseen questions
    Weak questions
    Review questions
    Learned questions
    Incorrect answer choices  
   

T6D-2014: Component functions: rectification; switches; indicators; power supply components; resonant circuit; shielding; power transformers; integrated circuits

T6D01-2014: Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Rectifier

Transformer

Amplifier

Reflector



T6D02-2014: What best describes a relay?

A switch controlled by an electromagnet

A current controlled amplifier

An optical sensor

A pass transistor



T6D03-2014: What type of switch is represented by component 3 in figure T2?

Single-pole single-throw

Single-pole double-throw

Double-pole single-throw

Double-pole double-throw



T6D04-2014: Which of the following can be used to display signal strength on a numeric scale?

Meter

Potentiometer

Transistor

Relay



T6D05-2014: What type of circuit controls the amount of voltage from a power supply?

Regulator

Oscillator

Filter

Phase inverter



T6D06-2014: What component is commonly used to change 120V AC house current to a lower AC voltage for other uses?

Transformer

Variable capacitor

Transistor

Diode



T6D07-2014: Which of the following is commonly used as a visual indicator?

LED

FET

Zener diode

Bipolar transistor



T6D08-2014: Which of the following is used together with an inductor to make a tuned circuit?

Capacitor

Resistor

Zener diode

Potentiometer



T6D09-2014: What is the name of a device that combines several semiconductors and other components into one package?

Integrated circuit

Transducer

Multi-pole relay

Transformer



T6D10-2014: 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



T6D11-2014: What is a simple resonant or tuned circuit?

An inductor and a capacitor connected in series or parallel to form a filter

A type of voltage regulator

A resistor circuit used for reducing standing wave ratio

A circuit designed to provide high fidelity audio



T6D12-2014: Which of the following is a common reason to use shielded wire?

To prevent coupling of unwanted signals to or from the wire

To decrease the resistance of DC power connections

To increase the current carrying capability of the wire

To couple the wire to other signals





Color key:
● = Unseen
● = Weak
● = Review
● = Learned
● = Incorrect answer
Previous group:
T6C-2014: Circuit diagrams; schematic symbols
Back to index:
Technician Class Exam Question Pool
Next group:
T7A-2014: Station equipment: receivers; transmitters; transceivers; modulation; transverters; low power and weak signal operation; transmit and receive amplifiers
Home     What is ham radio?     Which exam to take?     Study tips     Where to take the exam?     Frequency Asked Questions (FAQ)     How to     How much math?     Trouble with practice exams     Feedback     Prices     Ham It Forward     Free Extra course for active volunteer examiners     Refund policy     Privacy policy    Terms and conditions     Bumper sticker     Advertise with us     The Ham band     Rate us     Question pools     Course structure     Survivalists     Documents     facebook     Google+     Contact us     Christina's story     TestOnline     Links

The best study method, customer support, and guarantee in the industry!

A TestOnline website.  Copyright © 1998-, HamTestOnline™.  All rights reserved.