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Element 4

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Disclaimer: We made a question pool available to the public to test their readiness to take the NTC Amateur Radio Exam. The question provided herein are taken from various review materials and are not the actual questions given by the NTC. These questions are only for review purposes. By answering these sample questions, you hereby agree to free CHARL from any accountabilities or liabilities resulting from the use or misuse of these materials. 73’s! 

Note: As per rules, the examinee must obtain an average of at least 70% of the 3 elements per class, with no score below 50% in any of the elements. We provided a 40-minute limit to answer each element to simulate actual exam conditions.

 

Class “C” (Technician Class), Element 4

Results

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#1 The radiation intensity of an antenna is measured with

#2 Yellow, Orange, Brown

#3 What is the power of transmitter with voltmeter reading of 1100 volts and 500 mA?

#4 The circuit element that opposes any change in voltage.

#5 The frequency band used for shortwave radio broadcast is on

#6 An electrical circuit with predominantly inductive reactance has a(n)

#7 The equipment is a simple audio amplifier with high impedance input used to “hear” a signal in a circuit.

#8 Spectrum analyzers are used to present signals in the

#9 The opposition of a conductor to the flow of electric current.

#10 What is the symbol of Reactance?

#11 What is the symbol of Inductance?

#12 The interference brought about by the resultant signal from addition and subtraction of two or more signals is called

#13 Audio waves operate within the band.

#14 Brown, Yellow, Red

#15 Give the decimal equivalent of a microfarad

#16 0.000001 Farad can also be written as

#17 What is the test instrument used to measure resistance with value less than one ohm?

#18 If the operating frequency is 150 MHz, the wavelength is

#19 What SWR among those mentioned shows the worst impedance match between transmission line and antenna?

#20 If the frequency is 400 Mhz, what is the wavelength?

#21 An instrument which is designed to produce a range of frequencies in the AF and RF bands in known as

#22 The two-tone test is used in SSB transmitter to

#23 What is the symbol of Resistance?

#24 What is the second harmonic of 1200 Hz?

#25 In order to be sure that the amateur radio station is operating within the authorized band limits, the licensed amateur must use

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