Maintenance Practices 7.4 Flashcards
1
Q
What is common polarity
A
Sensitive movements d’arsenal Weston
2
Q
Why is a multiplier resistor usqed
A
To give different range
3
Q
How much resistance does an ideal voltmeter have
A
Infinite
4
Q
What type of resistors do ammeters have
A
Parallel
5
Q
What uses higher resistance, ammeters or voltmeters
A
Voltmeter
6
Q
What kind of resistors do voltmeters have
A
Series
7
Q
What is a dynamometer
A
A power measuring device
8
Q
What do you see with a vibrating reed frequency meter
A
Will see the fingers vibrating
9
Q
How do you extend frequency range on a counter
A
A prescaler