Principles of Electricity - Final Assessment

The capacity to transmit something, for example electricity or heat, is known as which of the following?

• Resistivity

• Ampacity

• Conductivity

• Diversity

Which of the following is NOT an expression of Ohm’s Law?

• Ohms = volts x amps

• Amps = volts/ohms

• Ohms = volts/amps

• Volts = amps x ohms

Which of the following is the term used to describe the amount of current a conductor can handle before its temperature exceeds accepted limits?

• Resistivity

• Ampacity

• Conductivity

• Demand load

Which of the following is the standard method for denoting the diameter of a wire?

• Single-line diagrams

• National Electric Code

• General ampacity rating

• American wire gauge

Which of the following is NOT an example of an electrical load?

• Light bulb

• Motor

• Battery

• Resistor

The ratio of true power used to do work to apparent power supplied to the circuit is known as which of the following?

• Demand factor

• Diversity factor

• Load power factor

• Connected factor

Which of the following provide estimates of the power used per square foot in various buildings and spaces?

• Single-line diagrams

• National Electric Code

• Load duration curves

• Power density tables

The National Electric Code has been adopted in how many states?

• 50

• 42

• 29

• 18

Which chapter of the National Electric Code discusses cords, switches, receptacles and other equipment for general use?

• Chapter two

• Chapter four

• Chapter six

• Chapter eight

Which chapter of the National Electric Code refers to communications systems?

• Chapter two

• Chapter four

• Chapter six

• Chapter eight