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
QUIZ START
#1. Two identical inductors valued at 60 henrys are connected in series, the total equiv. inductance is
#2. In order to be sure that the amateur radio station is operating within the authorized band limits, the licensed amateur must use
#3. No. 16 copper wire has a resistance of 0.85 ohms per 1 meter. What is the resistance of 2 kilometer of this wire?
#4. The quantity 144.474 MHz refers to the ___________ of a radio wave.
#5. If the operating frequency is 150 MHz, the wavelength is
#6. The interference brought about by the resultant signal from addition and subtraction of two or more signals is called
#7. If the transmitter output is not matched with the antenna, what must be the effect aside from reduced power?
#8. Frequency of operations when the wavelength of the radio signal is one meter long.
#9. What is the symbol of Inductance?
#10. An instrument which is designed to produce a range of frequencies in the AF and RF bands in known as
#11. The frequency band used for shortwave radio broadcast is on
#12. Spectrum analyzers are used to present signals in the
#13. What is the symbol of Reactance?
#14. The equipment is a simple audio amplifier with high impedance input used to “hear” a signal in a circuit.
#16. An electrical circuit with predominantly inductive reactance has a(n)
#17. Four identical capacitors rated at 40 uf are connected in series. Their total equiv. capacitance is
#18. Audio waves operate within the band.
#19. The opposition of a conductor to the flow of electric current.
#20. If two resistors valued at 20 ohms and 30 ohms, respectively, are connected in parallel, the total equivalent resistance is
#21. Hams must regularly tune their transceivers. This must be done using ____ to ensure no interference to other users of the band.
#22. To stimulate speech signal, this test is used.
#23. A voltmeter connected across a resistance reads 52V and an ammeter connected in series with the resistance reads 1.3A. What is the value of the resistance?
#24. An electrical circuit with equal reactances is said to be
#25. 0.000001 Farad can also be written as
