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. The circuit element that opposes any change in voltage.
#2. What is the symbol of Inductance?
#3. In order to be sure that the amateur radio station is operating within the authorized band limits, the licensed amateur must use
#4. A current of 3 A flows through a resistor of 160 ohms. How much power is expended in the resistor?
#5. The opposition of a conductor to the flow of electric current.
#6. Yellow, Orange, Brown
#7. What is the test instrument used to measure resistance with value less than one ohm?
#8. Two identical inductors valued at 60 henrys are connected in series, the total equiv. inductance is
#9. To stimulate speech signal, this test is used.
#10. The equipment is a simple audio amplifier with high impedance input used to “hear” a signal in a circuit.
#12. Ten times the logarithm of the ratio of the output power over the input power is
#13. A frequency band where Audio Waves fall.
#14. What is the capacitance of a 12 uF capacitor in parallel with a 6 uF capacitor?
#15. The resistance of an open circuit.
#16. What is the symbol of Resistance?
#17. What is the symbol of Reactance?
#18. Spectrum analyzers are used to present signals in the
#19. An electrical circuit with predominantly inductive reactance has a(n)
#20. Give the decimal equivalent of a microfarad
#21. If two resistors valued at 20 ohms and 30 ohms, respectively, are connected in parallel, the total equivalent resistance is
#22. The quantity 144.474 MHz refers to the ___________ of a radio wave.
#23. The location of an interfering station can be pinpointed by using direction finders and utilizing
#24. No. 16 copper wire has a resistance of 0.85 ohms per 1 meter. What is the resistance of 2 kilometer of this wire?
#25. The radiation intensity of an antenna is measured with
