Electricity - Beauty Therapy Questions And Answers With Verified Solutions

Electricity - A form of energy that can be used to produce sound, light, heat, and power Electric current - Flow of electricity along a conductor Conductor - A material that allows heat and electricity to pass through it. Conductor material - copper, silver, iron. Insulator - A material that doesn't allow heat to flow through it easily. Insulator material - Rubber, Plastic, Glass, Wood. Electric Wire - Cable which carries energy Rectifier - Apparatus that changes alternating current (AC) to direct current (DC). Converter - An apparatus that changes direct current (DC) to (AC) alternating current. Transformer - Used to change the voltage of a current. Rheostat - Instrument used to regulate the strength of a current. Condenser - An apparatus used for collecting charges of electricity in which the 2 conducting surfaces are separated by some insulating material. Voltage - The force / pressure to push the electric current around the circuit.Volt - A unit of electrical pressure. Wattage - The amount of electric power / energy. Watt - A unit of electrical energy / power. Amperage - The strength of a current. Amp - A unit of electrical strength.