Sara Electricity Notes

Unit 5- Test porp Electricity & magnettom unil Summary sheet! Flectrical energy kpour plants! Her we get electrectly from Pour to home! Step up tromatomers wind of pport plant (beans voltagesep dam hamsters to conut voltage to usable al Power garestion? More electried demand incrased force to ten poverator/ decome magnetic steld 'n get ekctrictly from both renutakim renadok resources: hydra, Gossil Gulds, wind, nuclear Lol kwh (kib withos)+2.6 millan Joles What or blackouts/brown onts! Blackouts are complete loss of electrical pour Blomats are a partial planned interruption of electrony wiridand voltage How does the power grrod work! powr plant! Step up transloomers to incruse uitge de durres current 6 from turbines gucators High voltage lines! Carry electiturly ↓ Step dan tashomers! redres wilage to a safe level local distribution noturiss: detours destrianty to hows/ bursae Step up Primary coll Seonday cal bless mor, discere betun primay is what it hocreate P=3,5=30> 10 times stenger voltage Vp Ip: Vs Is Enviromental considerations of electricity gunustion! Non-Renewable, green house gas, air polluten, water usage (to cool dom syskons? Renevedele Impacts on aquatic lise/ habitat, harm to animarts, Inputs on blodlvesily Implications of powergencation for sodd, economic, politied landscapes of Canada? Social! enviromental imprct, Community mor jobs, economic opportunity, non infrastendere, land disputes Economic: GDP comanda is major exporterinare copiled, supply chain jobs, Pobliced Cresting ryulations, dis provinces have did control, haury to addres climate chage Deus Ac Dc: direct corrent (crrent flas in I dradion) Acian electric current periodically reverses direction 4 Hawehold circuits! Serviad only 100 A of current red & blocas "hot wes" powurd bowhite =neutral red & white/ black antite = 120V red & blacks 2400 ered is woundly only used for higher collage current Generators: Converts mechanical energy into ekctrical energy though ekchoumynchic induction (revirse of moters). Lofoster the cant spins, stronger the magnetic field greater voltage ondutor disrupts Maputic "wed in bas un generators Gield-Bindeves Currut power stations (ef hydro) turbine spins to geneste power ma to pour Lo wind turbrus too!! Acgenerators used in homes /pour frids, DC waed in Smaller scale lef bollend Electric arrent! Maement of electrons lokitical chuye ها 4 position is moth L Current Chapi) Besistorice i hinderance of flow of chose More rurstone Slower carent the longer the path more resistance. kas rastence: foster current Measured in Shins Vottage! force dring electric current through chaud V: A = V-IR measured in volts by voltmeter 6 charge Ohra's law: V-IR Horchofls lausi Series: Same Current, Vtoral added voltage, Tresistorse-Cadditive Parallel I totod additing, Hotel Sorme, Tricisterna Vitlin Magnetism: properties & Interactives of myouts ] → Movement of electric charges electors within throws Opposing poles 4 4 magnetic freld lines outside of magict Slow north sath maynctis field magnets Mayork & Fields lose stregeth the further they we δετην διονη συντε behne a aston way SN SN opposite podes attract, myratre fields inade magnets, & chors they interat Faths magnetic field: Nickel con of earth gres earth a magnetic field like bar magnet -top of planet = south magnotis pole north pole = South sinde of megret North pole N South poli Solenoids! coiled conductors; solid metal core Electromagnetic indution (application & how) field near conductor indicas lollage in conductor induced electric coment in conductor (opponite way apples) Charge in magnetic field factors affcoting electromagnetis Industron Loll colled us. Straight:c Colled more oppurtunity for magnetic field bast on conduchs 3) fate of choye of mynctie field higher ante larger and 2) H of loops! prore loops = greater current (4) Strayth of mynte find: Stranger billede leger curent Applestions of electromagnetic Indusden: all Conced by electromagnetiz fild currant & magnetic field change in magnetic field induces electric current Ex. Metal detector of airport 1. Signaling transmitter hos current passing through creates mafrette freld Current & magneter fuld 2. Metal goes into detector 3. Metal creater it's Oun current le magnetic feild change in magnetic field 4. Metots magnetic field is picked up by Peeling transmitter indution of electrical current Current in a wire] First right hand node -thank adirocton of current fingers direction of magnetic field Ang I (current) Oersted's principle Lens law Chooping mynite filled indias corrunt in a od okrests worant's own magnetic fields direction opposes the charge which prodwed it NS te Thunds is druction of magnetic field (north pole) and right hand da fingers curl diredom of current G The motor principle current carrying conductor cuts across extend magnetic ficked thus experience force perpuntater to both the magnetic field and direction of the clucivic current magnicthe fore on wire] 3rd right hand rate i direction of Mystic force on reving these in mystic field B(maputic field) Drution of force → I (current) X X Xx Pdirection of force XX 4 XX Current sup representes meyoutic field going to page