Magnetism and Electromagnetism, Exams of Physics

Download Magnetism and Electromagnetism and more Exams Physics in PDF only on Docsity! +Phusice Concebt Quecione Awd Ancwere a7 Avcwerc A heared \c ony tratervial that bac be cabalerlity +o attract Won and produce madre tic field around ‘eel The oldect known Aeccripohe of haanete ard thew clavactevictice ave fiom Anatolia, China and India (2500 were eae), A-tiev the \r4h Cebtwy AD, medne HC Compacces Were widely uced for hovigert toh \h Ewope, China, the Arabian lead|and, etc. By the Leeq ining of the Oth cebrtwy, all the Aiccovered elemento anc himeroue Compeunc|s Wad Leen examined for heave ich Moct of the elemente and Cambouncle were found to poccecc come mode tic properties Disha eh wac the ect Common repent nog the har evil Hic 9 fiadile type of mage eh severed by a Change | \h ne elec}rone alert mon Ave +o i ered hradre tic field. Wher the cowce of the wdwed mnaaine HC “Held” \c Velnoved, dhe hradive Lice oh of the iver material will Arcabben. A permanent mognet ie o betevil buche eh moareticed abchance, and qereratec hc oWh nadine IC fielde Ar clectromoqnet ie Compoced of # coil of wie bot Leluvec like 2 hegre Wher ah electrical current +ffowe Youd 1b. The moment curve} low chops ‘+ will hep Leing a magnet. Uvelly the coil ic wvapber a\| over the Core of a cof ferromagnetic _cobbound uch ac mild _cteel, Sich materiale concieralely envunce the hradneh ic field generated Ly the coil, Important Magnet Quection with Ancwere \) What ic a maanet! A hadvet \c ony material that bac the capalaility +o attvact Won ang produce adne IC fieldc avound Yeelt Moct of the element and Cobspoungc Were found +o poccecc come magne IC properties L) Where do the oldect known Aeccript iove of madne'ts Come -from? The oldect known Aescnip+ whe of meqverte and thew Clavacterictice ave from Anatolia, Clina and dia (2500 yenrc oa) Atter the \24b cemtuy AD, made tic Compaccec weve widely veh for rev igor} toh Ww Ewope, China, the Arabian headland, etc. By the Leg inning of the Doth Cert all the Aiccovered elemento aha humerouc Compeunc|s Wad Veen examined for hag ich 0) What doec the curnleo| B ond 4 represent h magne: ich? The cnler| B chande for the valve of nadine FIC {IK dererty within a hnagvert iced Lgect, The cutalan| 7 chande or the valve of a egnertic field ov hagne:} cing force generating it. The +w0 uence con Le denoted bey the earth B= ph, where chard for the material’c permealerlity Ib \c_ a meacwe of the hodines| ico} io ietebetty tot can be qereroted bey a pec tied magnetic field. \|) Write an ecetly of the oily \\-fe_ucec of mmaanerte Debit, credit and ATM carde Wave a magnetic fey ob one of thew cidec. Thc chp encrypt dhe tw-format ion of the cere financial nctitubion and link 4 with dei account, OA Selevicione (CRT model)) anc ol Inge Compurter mevitave contsin o cathode way 4uLee the} woke oho electromagnet to Awec+ electvonc_+o the ccreer. VAS tapes Conciet of a yol| of hagertic tape The data Moat forme te count and video ic_emleedded in the meqve ic overlay oh he habe Moch of ne bicroplones and cpeskcers vce Curvebs} canting co\\ and a pernaherst heagner do tyanc-form the cig ov electric chergy \nto mechanical cherg motion na} qererater the cound). The coil ic ervelped avound a veel Conhected to te cpetkcer Cohe, and Leone the ciqral ac & varying Curebt Wet Wwheracte with the perraahert hedne'c field. Several typec vs electyic wehox Aeperd wpe a Comls\nat ion of a permanebrt hraginert and al clec-tromaanet, Jvet ike lndcperkes they brainc-forlm electric chery \wte heec boric cherdy A generator uec the veverce pric ple: V4 Hancforme nec banca chery Wwe electric eherquy Ly AAcplacing a condvc-oy long a hraqretic field. Electric qurtanc ebploy hare hic rick le convert the vibvation of qurtan ching Who electric Curehte for amplification Thic ic ih contact fo the concept Lebiind the Ayabsic hsicreplones and cpeskcerc Lecoce the Vilbwatione se eceqriced chaiglst Ly the made} | ho Aploagin \c_ ued). Clemictc ebploy nucleay hradine HIG vecohahCe bo dent manu factwed Compounds Hocprtale ehploy hradne 1G vecohahCe thea th eruibrreh} to detect \ccvec ha patert’c organ without curd A Compace rac _a made tic porter ccbehed to orient ttcel+ with a regret Feld lt will deflect according to the direction in which it ic placed, velotive ‘h the Eatl’c nadie HNC field. Due to the mrodine te! ability to counter the quovitor ional force ot cloce tahde, hroaine'te ave often ued ih childrer’c touc. ) Magnets can Lee ued +o pick " nade HC ob ects thot ave +oo chval| oY ovt of reac, Several tupec of cCreWAV Were ave nadine Heed for tic uce. Mednerts ave ued \h calvoge and ccxep sbevart lobe +o ceqredate hrodne HIG ime-ale fvoln hob had ne tC tmertale. Madnertc Cay a\co Le ved \h -fa\|-cafe AeviCec for come calle connectionc. The pomer Corde of come electronic devices ave haqvetic to avoid accidental patvrnet +o tre pert whelr tripped over. | be poher Cohhection tat ucec Mago Vn he Apple Mac Bor \c_ ah ekarple of v4.