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EPCO

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Jan 13, 2010
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Bro matath owa gana loku knowledge ekak na.But apita bicycle rim ekak wage kapanna ba neda.Eka paratama galawila wisi wenawa neda.:)Ehema wenne athathiyak thiyena nisane.Wane muduwak kapuwa gaman eka paratama diga harenawane.:):)

This can happen due to pre-tension or pre-compression at the production of thoses items!
 

KeBa

Well-known member
  • Mar 8, 2008
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    mehemane.
    A=2s ganane oya ahanne.
    thoragath wargapalayak thulin gaman ganna bala reka pramanaya thama
    [FONT=&quot]ø kiwwe.ethakota api methandi thoraganne reka wlta lambaka u prushtayak.S kiwwe e prushtaya thama.

    eka depaththak thiyanawa.e kiyanne bala reka depaththenma kapenawa.e nisa 2s.
    :)
    mata mathaka ehema thama.
    api ahamu meka dapu kenagen eka ehema neda kiyala.:)


    elagata thama api gauss law eka danne.
    [/FONT]

    E යනු විඩ්යුත් ක්ශෙස්ත්‍ර තීවුර තවයි එනමි

    විඩ්යුත් ක්ශෙස්ත්‍ර තුල ඌ එකක ඩන ආරොපනයක් මත බලය

    එසෙත් නැත්නමි

    යමි විඩියුත් ක්ශෙත්‍රය තුල තොරාගත් ඒකක වර්ගඵලයක් හරහා (ඊට ලමිභක වීම අතා අනිවාර්ය නොවෙ ) ා ගමන් කරන ස්‍රාව රෙකා ගනණ වෙ

    anika api gauss law eka dala hoyanne thoragath virtual gauss surface eka matha athi onaama lakshayaka E ne soo if we select more than 1 then it is not suitable to apply guss law to both surfaces and get a result ??

    machan uba BIO kala kenekda ??

    oka hadanna anikalana yennam puluwan

    but ethakota cylinder ekak thoraganna wenne thahaduwata samaantharawa cylinder eke axis eka pihitana widiyata

    Area[FONT=&quot]E=[/FONT]Area[FONT=&quot][/FONT] [[FONT=&quot]Q/[/FONT][FONT=&quot]ε.A].[/FONT] [FONT=&quot]d(A)
    [/FONT]
    [FONT=&quot]
    gaussw.jpg
    [/FONT]
    [FONT=&quot][/FONT]​
    [FONT=&quot]
    [/FONT]
     

    Yasho89

    Member
    Sep 7, 2008
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    Somewhere, over the rainbow....
    E යනු විඩ්යුත් ක්ශෙස්ත්‍ර තීවුර තවයි එනමි

    විඩ්යුත් ක්ශෙස්ත්‍ර තුල ඌ එකක ඩන ආරොපනයක් මත බලය

    එසෙත් නැත්නමි

    යමි විඩියුත් ක්ශෙත්‍රය තුල තොරාගත් ඒකක වර්ගඵලයක් හරහා (ඊට ලමිභක වීම අතා අනිවාර්ය නොවෙ ) ා ගමන් කරන ස්‍රාව රෙකා ගනණ වෙ

    anika api gauss law eka dala hoyanne thoragath virtual gauss surface eka matha athi onaama lakshayaka E ne soo if we select more than 1 then it is not suitable to apply guss law to both surfaces and get a result ??

    machan uba BIO kala kenekda ??

    oka hadanna anikalana yennam puluwan

    but ethakota cylinder ekak thoraganna wenne thahaduwata samaantharawa cylinder eke axis eka pihitana widiyata

    Area[FONT=&quot]E=[/FONT]Area[FONT=&quot][/FONT] [[FONT=&quot]Q/[/FONT][FONT=&quot]ε.A].[/FONT] [FONT=&quot]d(A)
    [/FONT]
    [FONT=&quot]
    gaussw.jpg
    [/FONT]
    [FONT=&quot]
    [/FONT]
    1.meka thahaduwakda?meka aparimitha diga dandak da?

    2.ema thoragath wargaphalaya kshethra reka walta lambaka wiyayuthumai.api ehemai A/L walta igana gaththe.:confused:


    3."machan uba BIO kala kenekda ??"
    :shocked:
    mama sister kenek:P:rofl:

    4.Mama maths thama kale.:nerd::)

    me post eka dapu kena andapu ekata anuwa nam mama therum gaththe meka thahaduwak kiyalai.
    but oya kiyana widiyata meka dandak wenna oni neda?mokada kiwwoth..


    cylinder ekak thahaduwata samaantharawa cylinder eke axis eka pihitana widiyata thoragaththa kiyamu.ethakotath kshethra reka walta virtual gauss surface eka lambakai neda?
    namuth ethakota gauss surface eka widiyata ganne silinder eke wakra prushtayai.ehemath hadanna puluwani.

    meke aran thiyenne wakra prushtaya kiyala nam neme.depaththe prushta deka kiyalane.

    mama kiyanne A/L walta karana widiyai.samahara wita mekata thawa krama athi.:)
     
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    nagaya

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    Mar 18, 2007
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    aa nangi kenekut awilla inne ;) man kalin dakala na ne :) nice to meet u,
    kaurth gawa electric/maganatic fields gana honda pdf wage tiyena link tyenwada,AL newe anukalanayenma tiyena theory/ganan wage
     

    IcedEarth

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    Feb 1, 2010
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    Somewhere In Ice Age
    1.meka thahaduwakda?meka aparimitha diga dandak da?

    2.ema thoragath wargaphalaya kshethra reka walta lambaka wiyayuthumai.api ehemai A/L walta igana gaththe.:confused:


    3."machan uba BIO kala kenekda ??"
    :shocked:
    mama sister kenek:P:rofl:

    4.Mama maths thama kale.:nerd::)

    me post eka dapu kena andapu ekata anuwa nam mama therum gaththe meka thahaduwak kiyalai.
    but oya kiyana widiyata meka dandak wenna oni neda?mokada kiwwoth..


    cylinder ekak thahaduwata samaantharawa cylinder eke axis eka pihitana widiyata thoragaththa kiyamu.ethakotath kshethra reka walta virtual gauss surface eka lambakai neda?
    namuth ethakota gauss surface eka widiyata ganne silinder eke wakra prushtayai.ehemath hadanna puluwani.

    meke aran thiyenne wakra prushtaya kiyala nam neme.depaththe prushta deka kiyalane.

    mama kiyanne A/L walta karana widiyai.samahara wita mekata thawa krama athi.:)

    Hmm yes. math hithuwe thahaduwak kiyala thama!!!!:yes::yes:

    Kebo ge picture 1 ta anuwa anukalanayen hewwoth enne E=λ / ε2πx kiyala!!!! ( λ= akakak digaka Q)
     
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    IcedEarth

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    Feb 1, 2010
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    Somewhere In Ice Age
    me gane api dannawane aA^3 + bA^2 + cA + d = 0 kiyala. 3A+1 mula wana sameekaranaya kiyanne api e sameekarane x wenuwata 3A+1 dapuhama sameekarane 0 wenda one kiyanaekane.

    api x=3A+1 kiyala aragaththoth A=(x-1)/3
    ethakota poddak kalin A mulawana sameekarane x wenuwata me (x-1)/3 dammahama ena sameekarane diha balandako......
    a[(x-1)/3]^3 + b[(x-1)/3]^2 + c[(x-1)/3] + d dan meke api x wenuwata 3A+1 dammahama penawaneda me sameekaranen apahu enne aA^3 + bA^2 + cA + d = 0 kiyala. ekiyanne apata one 3A+1 mulawana sameekarane a[(x-1)/3]^3 + b[(x-1)/3]^2 + c[(x-1)/3] + d = 0 kiyana sameekarane neda.3B+1 ha 3C+1 th me wage nisa ewa dapuhamath me widihatama 0 wenawane.
    meka ithin mehema thiyena eka upset nisa sulukarapuhama ax^3 + 3(b-a)x^2 + (3a-6b+9c)x -a +3b-9c+27d = 0 kiyalai enne(sulukaraddinam waradunada danna:P.

    ax^2 + bx + c =0 sameekarane mula A,B nam apita me widihatama A+2, B+2 mula wana sameekarane kelinma a(x-2)^2 + b(x-2) + c = 0 kiyala liyala sulukarala ganda puluwan. :):):)

    Elama thama:):)
     

    KeBa

    Well-known member
  • Mar 8, 2008
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    1.meka thahaduwakda?meka aparimitha diga dandak da?
    .........................................

    meka pariwaraka/sannayaka thahaduwak (both gives da same answer)
    .........................


    3."machan uba BIO kala kenekda ??"
    :shocked:
    mama sister kenek:P:rofl:
    .....................
    :sorry::sorry::rolleyes: sry :(

    ........

    me post eka dapu kena ...........

    mama damme :yes:

    2.ema thoragath wargaphalaya kshethra reka walta lambaka wiyayuthumai.api ehemai A/L walta igana gaththe.:confused:


    :no::no::no: apoo ehema nane

    mama mekata answer eka ganna hati hoyagaththa but eka kiyannanam godaak type karanna wenawa kammaliyi owa karanna :nerd::nerd:

    but thanks help kalata :)
     

    KeBa

    Well-known member
  • Mar 8, 2008
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    ...................

    2.ema thoragath wargaphalaya kshethra reka walta lambaka wiyayuthumai.api ehemai A/L walta igana gaththe.:confused:

    ......................

    මට පෙන්නෙ ඔය 2 ක පටලවගෙන වගෙ ස්තිති විත්යුත් ශෙත්ත්‍ර සහ චුම්භක ක්ශෙත්‍ර කියන්නෙ 2 ක්

    සින්හලෙන් ම කිවුවොත් Elector static field සහ magnetic field



    Elector static field ekaka electric constant eka hoyanna apply karanne Gauss's flux theorem eka
    img0001os.jpg

    img0002nj.jpg



    magnetic field ekaka magnetic constant eka hoyanna apply karanne Biot–Savart laweka
    img0004ed.jpg



    oya deke thiyena [FONT=&quot]ø walata thiyenne therum 2 k

    maths nam kale awakalanayen oya gana aduwanam lesiyi oyita wada kiyanna nam mata kamaliyi (type karanna epaa wenawa :dull::dull:)

    mona awuruddeda A/L kale :P :rolleyes: :rofl:
    [/FONT]
     

    udithag

    Active member
  • Aug 29, 2007
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    adath A/L kale hadapu podi ganak daannanko. mekath amaru na. podi ingiyakuth dennanko. meka peli 4kin withara hadanda puluwan. habai hadanda thawa kramath athi. kattiya try karala balandako mekai gana.

    cos(B-C)+cos(C-A)+cos(A-B)= -3/2 { A+B+C=180}
    pennanda one cosA+cosB+cosC = sinA+sinB+sinC = 0 kiyala.:):):)
     

    KeBa

    Well-known member
  • Mar 8, 2008
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    newbitmapimage2ym.png


    same amount of Electric flux through all guess surfaces so [FONT=&quot]∑[/FONT][FONT=&quot]Q[/FONT] niyathyak

    then E only depends on the A it means r distant from da charge
     

    udithag

    Active member
  • Aug 29, 2007
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    මට පෙන්නෙ ඔය 2 ක පටලවගෙන වගෙ ස්තිති විත්යුත් ශෙත්ත්‍ර සහ චුම්භක ක්ශෙත්‍ර කියන්නෙ 2 ක්

    සින්හලෙන් ම කිවුවොත් Elector static field සහ magnetic field



    Elector static field ekaka electric constant eka hoyanna apply karanne Gauss's flux theorem eka
    img0001os.jpg

    img0002nj.jpg



    magnetic field ekaka magnetic constant eka hoyanna apply karanne Biot–Savart laweka
    img0004ed.jpg



    oya deke thiyena [FONT=&quot]ø walata thiyenne therum 2 k

    maths nam kale awakalanayen oya gana aduwanam lesiyi oyita wada kiyanna nam mata kamaliyi (type karanna epaa wenawa :dull::dull:)

    mona awuruddeda A/L kale :P :rolleyes: :rofl:
    [/FONT]

    Ela ela niyamai matath hariyatama mathaka nathiuwai hitiye dan mathakuna:):):)