chapter 1 Flashcards
an interconnected network of generation and transmission lines?
The grit
where is voltage normally stepped up?
Generation facility
A voltage of 7200/1240 would be apart of which system?
distribution/Y system
what does “E” represent?
Voltage
What does “I” represent?
Amps
What does “R” represent?
Ohms
True or False? I=R/E
False. P=I/E
what is one Coulomb per second?
Amp
Unit measure for current flow?
Amp
Electricity is generated in the range of ___ volts to _____ volts
13,800, 24,000
Unit of measure for electromotive pressure?
Volts
What is most affected by Voltage?
Insulator
A system voltage of 7200/12470, which voltage is line to neutral voltage?
7200
Increasing the speed of the magnet and strength affects what value?
Volts
A household voltage would be apart off what system?
Distrobution
One amp produced by one volt is?
1 ohm
What would cause the wire to melt?
excessive amperage
A coulomb is?
A quanity measurement of electrons
A watt is a measurement for?
Power
Why are transmission structures taller?
Higher Voltage
An Ohm is a measurement of what?
resistance
How much can a volt meter read up to?
480 volts
Higher the amperage means?
Bigger the wire
Distance effects _____?
Voltage
What direction can you read Amperage?
In front of you
Delta systems can only go ______ to _____ and have no _______
phase, phase, neutral
3 phase power always has a _______
Nuetral
Volt meter reads the average of the ____?
soundwave
If voltage goes up you have to?
space the lines
