Jeppensen Chapter 3 Section F Flashcards
1
Q
- The most widely used meter movement is the ______ movement.
A
ANSWER: D’Arsonval
2
Q
- The D’Arsonval meter is a _______ (current or voltage) measuring instrument.
A
ANSWER: Current
3
Q
- A meter that requires one milliamp of current for full scale deflection has a meter sensitivity of ______ Ohms per-volt.
A
ANSWER: 1000
4
Q
- How much current is required to produce full-scale deflection in a 20,000 ohm-per-volt meter movement? _______ microampere(s)
A
ANSWER: 50
5
Q
- An ammeter shunt is connected in ________ (series or parallel) with the meter movement to measure current.
A
ANSWER: Parallel
6
Q
- The resistance of the shunt must be ______ ohms if the meter and shunt are to pass 50 milliamps of current for the meter to deflect full scale.
A
ANSWER: 2.04
7
Q
- An ammeter is connected in ______ (series or parallel) with the current that is to be measured.
A
ANSWER: Series
8
Q
- Multiplier resistors used to extend the range of a voltmeter are placed in ______ with the meter movement.
A
ANSWER: Series
9
Q
- The multiplier resistor must have _____ ohms of resistance for the meter to read full scale when 10 volts is placed across its leads.
A
ANSWER: 198000
