# FCC Tecnhician Class Ham License Exam Questions

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A. B. C. D. ~~ Use the keypad or VFO knob to enter the correct frequency Turn on the CTCSS encoder Adjust the power supply ripple frequency All of these answers are correct T5B04 (D) What is the purpose of the squelch control on a transceiver? A. B. C. D.

B. C. D. ~~ The wavelength gets longer as the frequency increases The wavelength gets shorter as the frequency increases There is no relationship between wavelength and frequency The wavelength depends on the bandwidth of the signal T4B07 (D) What is the formula for converting frequency to wavelength in meters? A. Wavelength 300 B. Wavelength C. Wavelength 300 D. Wavelength megahertz ~~ in meters equals frequency in Hertz multiplied by in meters equals frequency in Hertz divided by 300 in meters equals frequency in megahertz divided by in meters equals 300 divided by frequency in T4B08 (C) What are sound waves in the range between 300 and 3000 Hertz called?

B. C. D. ~~ They represent the two largest ham clubs in the United States One handles road traffic, the other weather traffic Neither may handle emergency traffic Both organizations provide communications during emergencies T3D11 (C) What is meant by receiver front-end overload? A. B. C. D. ~~ Too much voltage from the power supply Too much current from the power supply Interference caused by strong signals from a nearby source Interference caused by turning the volume up too high SUBELEMENT T4 – Radio and electronic fundamentals – 5 exam questions – 5 groups T4A – Names of electrical units, DC and AC, what is a radio signal, conductors and insulators, electrical components - 1 exam question T4A01 (D) Electrical current is measured in which of the following units?