BASICS OF AC AND ELECTRICAL CABLES - Quiz

1) Which electrical property opposes the flow of electrons?

Power Voltage Current Resistance

2) How the single strand wire is called?

Hook - up wire Twisted wire Flexible wire Multistrand wire

3) What is the percentage of conductivity of electric current in copper?

0.56 0.67 0.94 1

4) How many gauge numbers in SWG, changed to double the cross section area of the conductor?

Two gauge sizes decreased Four gauge sizes increased Five gauge sizes increased Three gauge sizes decreased

5) What are the fundamental properties of insulation materials?

Length and cross sectional area Low resistance and thermal heat Temperature and electrical hazards Insulation resistance and dielectric strength