Electrical Flashcards
1
Q
What is voltage?
A
Electrical presuure
2
Q
What is the basic unit of voltage?
A
The Volt
3
Q
What instrument is used to measure voltage?
A
A voltmeter
4
Q
To measure voltage, is a voltmeter placed in series or in parallel with the source of voltage?
A
In parallel
5
Q
What is the voltage across each resistor connected in parallel across a 12-volt battery?
A
12 volts
6
Q
What is the open-circuit voltage of a lead-acid cell?
A
2.1 volts
7
Q
How is output voltage regulated in an AC alternator?
A
Voltage regulation is accomplished by varying the strength of the AC exciter field (field voltage)
