Determine the forms of useful energy and waste energy for these electrical devices. The input energy in each example is electrical energy.DeviceUseful output energyWaste output energyKettleSound, kineticLight bulbFanMusic speakersHeat

Learning goal 1: Select the definition of useful energy.Output energy that is put to the intended useOutput energy that is not put to the intended useEnergy supplied to a deviceEnergy that comes out of a device

A pair of headphones transforms electrical energy into sound energy. A small amount of heat is also produced, causing the headphones to warm up.Identify the waste energy in this scenario.Electrical energySoundHeatKinetic energy

Determine which of these are examples of "lost" energy in the hydroelectric unit.kinetic energy electrical energykinetic energy heat energygravitational potential energy kinetic energykinetic energy sound energy

The television transforms electrical energy from an outlet into other kinds of energy. Select all of the types of energy produced by a television.A light energyB chemical energyC heat energyD mechanical energyE gravitational energyF sound energy

Name 3 electrical devices that transfer energy in a circuit