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Element 3

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 Short circuit has a resistance equivalent to

#2 A device used to connect a balanced line to an unbalanced line.

#3 An example of a good semi-conductor.

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

#5 What is the value of carbon resistor colored – “brown, red, yellow.”

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

#7 What is the unit of Resistance?

#8 A good measure to prevent the use of the Amateur Radio Station equipment by unauthorized persons is

#9 When current passes through a path of lesser resistance thereby destroying the fuse in a circuit, we say that the circuit has

#10 Three identical capacitors rated at 120 uf each are connected in series. What is their equivalent capacitance?

#11 Connect a resistor in series with a meter to ___________ the measuring range of a voltmeter.

#12 Two identical capacitors are connected in series, what is the total capacitance?

#13 A Multimeter measures

#14 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?

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

#16 The shorter the copper wire, the

#17 Copper is an example of

#18 Frequencies comprising Very High Frequency.

#19 The instrument used to measure voltage is

#20 To produce higher output current, dry cells should be connected in

#21 Cells should be connected in series

#22 The circuit element that opposes any change in current.

#23 Plastic is an example of a(n)

#24 Instrument used to measure electric power.

#25 An instrument used to measure resistance.