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 3
QUIZ START
#1. What is the value of carbon resistor colored – “brown, red, yellow.”
#2. The shorter the copper wire, the
#3. Unit of Inductance is
#4. What is the frequency being used for transmission when wavelength is 2 meters long?
#5. Plastic is an example of a(n)
#7. Unit of Capacitance is
#8. Instrument used to measure electric power.
#9. An instrument used to measure power.
#10. Instrument used to present test signals in frequency domain.
#11. Frequencies comprising Very High Frequency.
#12. Two identical resistors are connected in parallel, what is the resultant resistance?
#13. Ohm’s Law is stated in the following formula:
#14. A Wheatstone Bridge measures
#16. What is the unit of Resistance?
#17. Four ordinary dry cell batteries are connected in parallel, the total voltage resulting from the combination is
#18. The circuit element that opposes any change in current.
#19. What is to be provided in house entrance of circuit switches in order to ensure that radio or other equipment when short-circuited will not cause fire of electric origin.
#20. Three identical capacitors rated at 120 uf each are connected in series. What is their equivalent capacitance?
#21. A voltage of 110 Volts across a resistor causes a current of 5 Ampere to flow through the resistor. How much power is expended in the resistor?
#22. Connect a resistor in series with a meter to ___________ the measuring range of a voltmeter.
#23. What should you do to prevent shock when working on a high voltage power supply?
#24. The decimal equivalent of picofarad.
#25. Unit of inductive reactance.
