NTC Element III Test Questions with Complete Solutions

NTC Element III Test Questions with Complete Solutions A good measure to prevent the use of the Amateur Radio Station equipment by unauthorized person is - ANSWER Use of key operated power switch A short circuit has a resistance of - ANSWER Zero All antenna system and equipment should be grounded when the station is not in use in order to - ANSWER Protect the station and building from damage due to nearby lightning strike An instrument that measures frequency - ANSWER Frequency counter An instrument used to measure resistance, voltage and currents - ANSWER Multimeter An open circuit has a resistance of - ANSWER Infinity Audio frequency range is from - ANSWER 300 HZ to 30 KHZ Connecting a resistor in parallel with a meter will - ANSWER Increase the measuring range of ammeter Connecting a resistor in series with a meter will - ANSWER Increase the measuring range of a voltmeter Copper is an example of - ANSWER Conductor Give the name of an instrument that is useful for monitoring relative RF output during transmitter and antenna adjustment - ANSWER Grid-dip meter