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. If the frequency is 400 Mhz, what is the wavelength?
#2. If the transmitter output is not matched with the antenna, what must be the effect aside from reduced power?
#3. In order to be sure that the amateur radio station is operating within the authorized band limits, the licensed amateur must use
#4. If two resistors valued at 20 ohms and 30 ohms, respectively, are connected in parallel, the total equivalent resistance is
#5. If the operating frequency is 150 MHz, the wavelength is
#6. An instrument which is designed to produce a range of frequencies in the AF and RF bands in known as
#7. An electrical circuit with predominantly inductive reactance has a(n)
#8. Yellow, Orange, Brown
#10. The interference brought about by the resultant signal from addition and subtraction of two or more signals is called
#11. The location of an interfering station can be pinpointed by using direction finders and utilizing
#12. Two identical inductors valued at 60 henrys are connected in series, the total equiv. inductance is
#13. What is the symbol of Resistance?
#14. A frequency band where Audio Waves fall.
#15. Three cells, each with an EMF of 1.5 and an internal resistance of 0.3 ohms, are connected in series, and a resistance of 14.1 ohms is connected across the group. How much current flows in the circuit?
#16. An electrical circuit with equal reactances is said to be
#17. What is the test instrument used to measure resistance with value less than one ohm?
#18. 0.000001 Farad can also be written as
#19. Audio waves operate within the band.
#20. What SWR among those mentioned shows the worst impedance match between transmission line and antenna?
#22. A current of 3 A flows through a resistor of 160 ohms. How much power is expended in the resistor?
#23. The quantity 144.474 MHz refers to the ___________ of a radio wave.
#24. The two-tone test is used in SSB transmitter to
#25. What is the terminal voltage of an ordinary dry cell battery?
