Electricity Chapter 12

The current in which charged particles move in one direction and there is a net movement of electrons.

the current in which current moves back and forth in a circuit

A safety device that is placed in series with other circuits that lead to appliances and outlets

A safety device that is found in older buildings and some appliances, it is like a circuit breaker when it is placed in series with other circuits that lead to appliances and outlets.

the rate at which an appliance uses electrical energy

The energy that is used by an appliance at a given setting, is determined by multiplying its power rating by length of time it is used

A label that gives details about how much energy an appliance uses in one year of normal use

• 1. Power Rating- The maximum power used by an appliance or device
• 2. Appliance Setting- The actual power being used depending on setting or what the appliance is doing
• 3. Electrical Energy- The energy that is used by an appliance at a specific setting

The ratio of useful energy output to total energy input.

The minimum demand for continuous electrical power