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Element 3

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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 3


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#1 What is the frequency being used for transmission when wavelength is 2 meters long?

#2 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.

#3 Siemens is a unit of

#4 To be able to get 4.5 volts dc, use ordinary flashlight battery and convert them as follows:

#5 What is the unit of Inductance?

#6 The larger the diameter of the copper wire, the

#7 The instrument used to measure resistance is

#8 What should you do to prevent shock when working on a high voltage power supply?

#9 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?

#10 Two identical resistors are connected in parallel, what is the resultant resistance?

#11 Unit of electric energy.

#12 What is the frequency being used for transmission when wavelength is 2 meters long?

#13 For maximum current, dry cells should be connected

#14 What is the unit of Resistance?

#15 Copper is an example of

#16 Instrument used to measure resistance whose value is less than one ohm.

#17 To generate pulsating DC voltage, what equipment is used?

#18 Cells should be connected in series

#19 Frequency band comprising High Frequency

#20 A carbon resistor color coded green, black, orange has a resistance equal to

#21 The unit of impedance is

#22 Parallel conductive plates with dielectric in between are the component parts of a(n)

#23 An ammeter measures

#24 Three resistors each valued at 20 ohms are connected in series. If they are connected in parallel to another resistor whose value is 30 ohms, what is their total equivalent resistances?

#25 Connecting a resistor in parallel with a meter will