Intro to Electricity and Electrical System

What is the unit of resistance? - ohm.

What are the components of electrical and mechanical systems in buildings? - Materials, Equipment, Design, Installation, Maintenance

What is the importance of utilities in architecture? - for functionality, safety, and efficiency in buildings.

What does Ohm's Law relate to? - It relates voltage, current, and resistance in electrical circuits.

Who is credited with discovering electricity? - Benjamin Franklin

What experiment did Benjamin Franklin conduct? - He flew a kite with a key during a thunderstorm to study electricity.

Who used the term 'electricus'? - William Gilbert in 1600.

Who invented the electric dynamo? - Michael Faraday in 1831.

Who invented the light bulb? - Thomas Edison in 1878.

Who invented alternating current? - Nikola Tesla in the late 1800s.

What is electricity? - A form of energy generated by friction, induction, or chemical change.

What are common sources of electricity? - Storage batteries and generators.

What is the purpose of storage batteries? - To supply emergency lighting circuits and energize alarm systems.

What do alternating current generators provide? - The bulk of electrical energy used today, including for power and lighting.

What do direct current generators furnish energy for? - Elevators, escalators, and intercom systems.

What is the function of transformers? - Converting one voltage to another, either lower to higher or higher to lower.

What do motors convert? - Electrical energy to mechanical energy.

What do rotary converters change? - Alternating current to direct current and vice versa.

What is direct current (DC)? - Flows in one direction only.

What is a common source of DC? - Dry cell or storage battery.

What is alternating current (AC)? - Changes in both strength and direction over time.

What produces AC? - AC generator or alternator.

What is electric current? - The flow or rate of flow of electric force in a conductor.

What is electricity? - The flow of electrons and the cause of electric phenomena.

What are protons? - Positively charged particles.

What is voltage? - The electrical pressure causing electrons to move through a conductor.

Who is Alessandro Volta? - Unit of electric potential, small unit of power in electric current.

Who is William Gilbert? - Father of electricity; published studies on electric attraction and force.

What does EMF stand for? - The force that makes electrons move in a circuit.

What is amperage? - The flow of electric current in a circuit, expressed in amp.

What is an ampere? - Unit of the rate of flow of electric current; 1 volt across 1 ohm results in 1 amp.

What is a coulomb? - SI unit of electrical charge, equal to the quantity of electricity transferred by 1 amp in one second.

What is current? - The flow of electricity in a circuit; rate of electricity flow through a conductor.

What is resistance? - Opposition or friction to the flow of current by wires and transformers.

What is a watt? - SI unit of power, equal to one joule per second or the power represented by one ampere flowing across one volt.

Who is James Watt? - Inventor associated with the unit of power, watt.

What is the definition of a coulomb? - A coulomb of electricity comprises approximately 6.25 x 10^18 electrons.

What does one ampere represent? - One ampere represents a flow rate of one coulomb or 6.25 x 10^18 electrons per second.

What is the unit of electric potential? - Volt.

What does one volt do? -Moves a charge of one coulomb between two points in an electric field.

What does one ohm allow? - Allows one ampere of current to flow when one volt is applied.

What is the unit of electric power? - Watt.

What does watt-hours measure? - Energy or the capacity for doing work.

Who discovered the relationship between current, voltage, and resistance? - George Simon Ohm in 1826.

What is Ohm's Law? - Ohm's Law states I (amp) = V (Volts) / R (Ohms).

What does higher voltage result in according to Ohm's Law? - Lager current.

What does higher resistance result in according to Ohm's Law? - Lower current.

What is used to measure electric consumption? - Kwh meters

What is the formula for energy consumption? - Energy = Power x Time.

What are common electrical materials? - Insulated copper wires, switches, and protective devices.

What do electrical instruments measure? - Various electrical parameters and systems.

What is included in electrical plans? - Power and lighting layouts.

What are the components of an electrical plan? - Power and Lighting, Communication Systems