NTC Element III--------------------------NTC Element III, Exams of Advanced Education

NTC Element III-----------------------NTC Element III

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NTC Element III
The instrument used to measure current is - correct answer ammeter
The instrument used to measure voltage is - correct answer voltmeter
The instrument used to measure resistance is - correct answer ohmmeter
The output power of a transmitter is measured by a unit called - correct answer
Watts
Rubber is an example of - correct answer Insulator
Copper is an example of - correct answer Conductor
Silicon is an example of - correct answer Semi-conductor
The quantity of 144.474 Mhz refers to - correct answer frequency
The frequency 145.00 MHZ has an approximate wavelength of - correct answer 2
meters
The frequency band 144 MHZ to 146 MHZ is within the - correct answer VHF band
The terminal voltage of an ordinary flashlight battery is - correct answer 1.5 volts
One thousand watts is sometimes written as - correct answer 1 kilowatt
Sound waves are also called - correct answer audio frequency waves
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NTC Element III

The instrument used to measure current is - correct answer ammeter The instrument used to measure voltage is - correct answer voltmeter The instrument used to measure resistance is - correct answer ohmmeter The output power of a transmitter is measured by a unit called - correct answer Watts Rubber is an example of - correct answer Insulator Copper is an example of - correct answer Conductor Silicon is an example of - correct answer Semi-conductor The quantity of 144.474 Mhz refers to - correct answer frequency The frequency 145.00 MHZ has an approximate wavelength of - correct answer 2 meters The frequency band 144 MHZ to 146 MHZ is within the - correct answer VHF band The terminal voltage of an ordinary flashlight battery is - correct answer 1.5 volts One thousand watts is sometimes written as - correct answer 1 kilowatt Sound waves are also called - correct answer audio frequency waves

An open circuit has a resistance of - correct answer Infinity A short circuit has a resistance of - correct answer Zero When current passes through a path of lesser resistance thereby destroying the fuse in a circuit, we say that the circuit is - correct answer Short Circuited What is the radiotelephone distress signal? - correct answer MAYDAY What is the radiotelephone emergency signal? - correct answer PAN What is the unit of resistance? - correct answer Ohm What is the unit of inductance? - correct answer Henry What is the radiotelephone safety signal? - correct answer SECURITE One cycle of a wave is measured in - correct answer Hertz What is the unit of capacitance? - correct answer FARAD The prefix PICO means - correct answer 10 - The prefix MEGA means - correct answer 10 6 The opposition of a conductor to the flow of current is - correct answer Resistance The circuit element that opposes any change in current is - correct answer Inductor

Storage batteries are usually rated in - correct answer Ampere-hour A good measure to prevent the use of the Amateur Radio Station equipment by unauthorized person is - correct answer Use of key operated power switch All antenna system and equipment should be grounded when the station is not in use in order to - correct answer Protect the station and building from damage due to nearby lightning strike What should you do to prevent shock when working on high voltage power supply? - correct answer Discharge the filter capacitors Give the name of an instrument that is useful for monitoring relative RF output during transmitter and antenna adjustment - correct answer Grid-dip meter Ohm's Law is stated in the following formula - correct answer V = IR The power formula is - correct answer P = I^2R To produce higher output voltage, dry cells should be connected in - correct answer Series Two identical resistors are connected in series. What is the resultant resistance? - correct answer Twice the value of one resistor The larger the diameter of a copper wire - correct answer The lower is the resistance of the wire The longer the copper wire - correct answer The higher is the resistance of the wire