EES 102 mid term practice 2.0

What does DC stand for in DC Electricity?

• Direct Current

• Dynamic Current

• Dual Current

• Discrete Current

Fill in the blank: DC Electricity is characterized by the flow of electric charge in a ______ direction.

• alternating

• constant

• variable

• random

What type of material is required for low voltage conductors?

• Solid aluminum

• Stranded copper

• Solid copper

• Stranded aluminum

What is the ampacity of a wire with size 12?

• 15

• 20

• 30

• 40

Fill in the blank: A wire with size 10 has an ampacity of ____.

• A) 20

• B) 30

• C) 40

• D) 50

What happens to the wire size when the gauge number is smaller?

• A) The wire becomes smaller

• B) The wire becomes larger

• C) The wire size remains the same

• D) The wire size is unpredictable.

After the gauge size reaches 2, what happens to the wire size as the number increases?

• The wire becomes smaller

• The wire becomes larger

• The wire size remains the same

• The wire size is unpredictable.

Sizing a conductor is important in relation to what?

• Voltage drop

• Overcurrent protection

• Wire color

• Insulation type

As the length of a conductor increases, the resistance increases, leading to a drop in ____.

• Current

• Voltage

• Power

• Frequency

What is the purpose of using grommets during wire installation?

• To enhance electrical conductivity

• To protect from physical damage

• To increase wire length

• To reduce wire cost