(L)Element 3-74 Indicating Meters Flashcards
1
Q
What is a 1/2 digit on a DMM?
A
Partial extended accuracy on lower part of the range.
2
Q
A 50 microampere meter movement has an internal resistance of 2,000 ohms. What applied voltage is required to indicate half-scale deflection?
A
.05
3
Q
What is the purpose of a series multiplier resistor used with a voltmeter?
A
It is used to increase the voltage-indicating range of the voltmeter.
4
Q
What is the purpose of a shunt resistor used with an ammeter?
A
It is used to increase the ampere indicating range of the ammeter.
5
Q
What instrument is used to indicate high and low digital voltage states?
A
Logic probe.
6
Q
What instrument may be used to verify proper radio antenna functioning?
A
swr meter
