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Formulas







Formulae Used in Physics
                                                  Chapter Number 1 
                      Terms                  Formula

                                                  Chapter Number 2 
                      Terms                  Formula

                                                  Chapter Number 3 
                      Terms                  Formula

                                                  Chapter Number 4 
                      Terms                  Formula

                                                  Chapter Number 5 
                      Terms                  Formula

                                                  Chapter Number 6 
                      Terms                  Formula

                                                  Chapter Number 7 
                      Terms                  Formula

                                                  Chapter Number 8 
                      Terms                  Formula

                                                  Chapter Number 9 
                      Terms                  Formula

                                                  Chapter Number 1
                      Terms                  Formula

                                                  Chapter Number 11
                      Terms                  Formula

                                                  Chapter Number 12 
                      Terms                  Formula
     Coulomb’s force in free space              F = k q1q2 / r2
         Constant of Proportionality              k = 1 / 4πεo
                       Value of k              k = 9 x 109Nm2C-2
Coulomb’s force in presence of Dielectric                Fr=F/εr
or        Fr=1 / 4πεoεr x q1q/ r2
or        Frk q1q/εr r2
where εr is the relative permittivity of dielectric
 Electric Field Strength or Electric field Intensity                   E = F / qo
or             E = 1 / 4πεo x q / r2
or          E = kq /r2
                    Electric Flux                 Φe=E.A
or           Φe=EA cosθ
Electric Flux through a closed surface                  Φe = q / εo
                      Gauss's Law                  Φe = Q x 1/εe
Electric Intensity inside a hollow charged sphere                     E = 0
Surface Charge Density(Charge per unit area)                      σ =  Q / A
electric field intensity due to infinite sheet of charge                      E = σ / 2εo
electric field intensity between two oppositely charged parallel plate                      E = σ / εo
Surface Charge Density(Charge per unit area)                       =  Q / A
Surface Charge Density(Charge per unit area)                       =  Q / A
Surface Charge Density(Charge per unit area)                       =  Q / A
Surface Charge Density(Charge per unit area)                       =  Q / A
                                                  Chapter Number 13 
                      Terms                  Formula
                                                  Chapter Number 14 
                      Terms                  Formula
                                                  Chapter Number 15 
                      Terms                  Formula
                                                  Chapter Number 16 
                      Terms                  Formula
                                                  Chapter Number 17 
                      Terms                  Formula
                                                  Chapter Number 18 
                      Terms                  Formula
                                                  Chapter Number 1
                      Terms                  Formula
                                                  Chapter Number 20 
                      Terms                  Formula
                                                  Chapter Number 21 
                      Terms                  Formula

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  6. Assalam-0-Alaikum! sir I've got 152 marks in NET3 with 65% Fsc and 750 in metric. Is there any chance for electrical or mechanical eng. moreover I passed my fsc in 2013. Is this effect?? sir plzzz reply me as soon as possible.

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  11. baqi chapters k formulas kidhar ? :p

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  12. only 12th chapter :/
    sir ! i have heard that there is no entry test for Media studies i.e mass communication in NUST or any other university. is it true?? please tell me...

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  13. okay sir thankyou so much :)
    and sir if anyone has 60% marks in Fsc and 70% in matric. should he/she apply for media studies??

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  15. yeah. if test goes well one can be in

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  16. What subjects should pre med prepare for net for computer science??

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