Voltage and Electrical Pressure Quiz

Which of the following is a typical distribution system voltage?

• 7,200/12,470

• 5,000/10,000

• 15,000/25,000

• 20,000/30,000

Which of the following is a typical transmission structure?

• The structure on the left

• The structure on the right

• Both structures

• Neither structure

What did Count Alessandro Volta invent?

• A) The first electric motor

• B) The first battery, called a voltaic pile

• C) The first light bulb

• D) The first electric generator

What is the voltage between the neutral and any other phase in the example given?

• A) 12,420 volts

• B) 7,200 volts

• C) 69,000 volts

• D) 115,000 volts

A coulomb is similar to which of the following quantity measurements?

• Meter

• Gallon

• Kilogram

• Second

How many electrons are there in one coulomb?

• 6,250,000,000,000,000

• 6,250,000,000,000

• 6,250,000,000

• 6,250,000

What is the significance of one ampere of current in the context of the diagram?

• It represents the flow of one proton per second

• It represents the flow of one neutron per second

• It represents the flow of one coulomb of electrons per second

• It represents the flow of one photon per second

What happens if the amperage rating of a wire is exceeded?

• The wire will become more efficient.

• The wire will melt due to added friction.

• The wire will cool down.

• The wire will become more flexible.