CTS Ch 9

Voltage is the force that causes _____ to flow through a conductor.

• ohms

• neutrons

• watts

• current

Current is measured in _____.

• amperes

• volts

• ohms

• watts

The opposition to the flow of electrons in AC is called _______.

• ohms

• resistance

• impedance

• dissipation

Power is measured in ________.

• voltage

• impedance

• resistance

• watts

The relationship among voltage, current, and resistance is defined by the formula ______.

• V = I/R

• I = R/V

• I = V/R

• R = V*I

A current is always seeking to go to the ______.

• battery

• load

• ground

• source

The main panel distributes power using _______.

• panelboards and service entrances

• feeders and subpanels

• branch circuits and feeders

• service entrances and subpanels

At what point in the AC system are the branch circuits that power wall outlets and AV equipment connected?

• lateral feed

• feeders

• main distribution

• subpanel (panelboard)

When planning an electrical system, do not exceed _____ of the capacity of any circuit.

• 95%

• 80%

• 65%

• 75%