Electircal Systems Flashcards
What is the formula to find voltage
E=IR
What is the formula to find amperage
I=E/R
What is the formula to find OHMS
R=E/I
When a bulb burns out on a series circuit what happens
The entire circuit goes out
When a bulb burns out on a parallel circuit what happens
The system will remain operational just the effected bulb goes out
What is a open circuit
Any break or interruption in the circuit
What is a short circuit
When two components in the system touch disrupting the proper circuit flow
What is a ground circuit
When a component touches vehicle ground
What is the basic components in a charging circuit
Battery
Alternator
Voltage regulator
Ignition switch
Indicator light
What is the most common type of automotive battery
Lead acid cell
What hydrometer reading signifies a battery needs charged
1.265 specific gravity at 80 degrees