Subelement T6 Group A

FCC Technician Class Exam Study Guide - 2014-2018 · Wikibooks

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    From Wikibooks, under CC BY-SA 4.0, as the source states it. This page at Wikibooks.

    Electrical components: fixed and variable resistors; capacitors and inductors; fuses; switches; batteries

    The Question Pool

    Question 1

    What electrical component is used to oppose the flow of current in a DC circuit?
    A. Inductor
    B. Resistor
    C. Voltmeter
    D. Transformer


    The correct answer is B.

    Question 2

    What type of component is often used as an adjustable volume control?
    A. Fixed resistor
    B. Power resistor
    C. Potentiometer
    D. Transformer


    The correct answer is C.

    Question 3

    What electrical parameter is controlled by a potentiometer?
    A. Inductance
    B. Resistance
    C. Capacitance
    D. Field strength


    The correct answer is B.

    Question 4

    What electrical component stores energy in an electric field?
    A. Resistor
    B. Capacitor
    C. Inductor
    D. Diode


    The correct answer is B.

    Question 5

    What type of electrical component consists of two or more conductive surfaces separated by an insulator?
    A. Resistor
    B. Potentiometer
    C. Oscillator
    D. Capacitor


    The correct answer is D.

    Question 6

    What type of electrical component stores energy in a magnetic field?
    A. Resistor
    B. Capacitor
    C. Inductor
    D. Diode


    The correct answer is C.

    Question 7

    What electrical component is usually composed of a coil of wire?
    A. Switch
    B. Capacitor
    C. Diode
    D. Inductor


    The correct answer is D.

    Question 8

    What electrical component is used to connect or disconnect electrical circuits?
    A. Magnetron
    B. Switch
    C. Thermistor
    D. All of these choices are correct


    The correct answer is B.

    Question 9

    What electrical component is used to protect other circuit components from current overloads?
    A. Fuse
    B. Capacitor
    C. Inductor
    D. All of these choices are correct


    The correct answer is A.

    Question 10

    Which of the following battery types is rechargeable?
    A. Nickel-metal hydride
    B. Lithium-ion
    C. Lead-acid gel-cell
    D. All of these choices are correct


    The correct answer is D.

    Question 11

    Which of the following battery types is not rechargeable?
    A. Nickel-cadmium
    B. Carbon-zinc
    C. Lead-acid
    D. Lithium-ion


    The correct answer is B.