From the How to Perform Residential Electrical Inspections Course.
In this chapter, we'll cover the following;
Understanding How Electricity Works 
Amps
Current
Voltage
Resistance
Simple Theory 
Power
Measuring Electrical Forces
Resistance
Electromotive Force
Current 
Power
Ohm's Laws
How do the Ohm's Laws help us?
Common Ohm's Laws are
AMPS MEASURE CURRENT
VOLTS MEASURE PRESSURE
WATTS MEASURE POWER
Examples