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NAVEDTRA 14189A - NEETS MOD 17 - CHAPTER 2 COMMUNICATIONS THEORY EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

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NAVEDTRA 14189A - NEETS MOD 17 - CHAPTER 2 COMMUNICATIONS THEORY EXAM QUESTIONS AND ANSWERS GRADED A+ 2025/2026

Institution
NAVEDTRA 14189A
Course
NAVEDTRA 14189A

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NAVEDTRA 14189A - NEETS MOD 17 -
CHAPTER 2 COMMUNICATIONS
THEORY EXAM QUESTIONS AND
ANSWERS GRADED A+ 2025/2026




How many basic types of transmitters are there? What are they? - ANS 4 - CW, AM, FM, SSb



What is the function of the oscillator in a cw transmitter? - ANS Generates the rf carrier at a
given frequency within required limits



What is the final stage of a transmitter? - ANS Power Amplifier



Cw transmitter requires what 4 essential components? - ANS Generator, Amplifier, Keyer, and
Antenna



Purpose of a microphone in AM transmitter - ANS It converts audio (sound) into electrical
energy



In FM transmitter, when does an oscillator generate only a steady frequency? - ANS When no
modulation is present




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