الفيزياء العامة الجزء الثاني#موقع الفيزياء.كوم

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Current & Resistance7.8 Solution of some selected problemswww.hazemsakeek.com
Lectures in General Physics7.8 Solution of some selected problemsExample 7.9Two wires A and B of circular cross section are made of the same metaland have equal length, but the resistance of wire A is three timesgreater than that of wire B. What is the ratio of their cross-sectionalarea? How do their radii compare?SolutionSince R=ρL/A, the ratio of the resistance R A /R B =A A /A B . Hence, the ratio isthree times. That is, the area of wire B is three times that of B.The radius of wire b is √3 times the radius of wire B.Example 7.10Two conductors of the same length and radius are connected across thesame potential difference. One conductor has twice the resistance ofthe other. Which conductor will dissipate more power?SolutionSince the power dissipated is given by P=V 2 /R, the conductor with the lowerresistance will dissipate more power.Dr. Hazem Falah Sakeek
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LECTURES INGENERAL PHYSICSPart TwoE
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محاضرات في الفيزيا
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ContentsChapter (1) Electrostatic1.
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4.5 Energy stored in a charged capa
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Introduction to ElectrostaticsPart
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Introduction to ElectrostaticsIntro
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Introduction to ElectrostaticsWe ha
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Introduction to Electrostaticssame
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Introduction to Electrostatics1.2 P
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Introduction to ElectrostaticsRubbe
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Coulomb’s Lawقانون آولو
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Coulomb’s LawCoulomb’s lawقا
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Coulomb’s Law2.2 Calculation of t
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Coulomb’s Lawq 1 &q 3نتيجة
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Coulomb’s Lawx∑∑FFxy= 2 × 0.
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Coulomb’s LawExample 2.4A charge
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Coulomb’s LawExample 2.5Two fixed
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Coulomb’s Law2.3 Problems2.1) Two
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Lectures in General Physicsالكه
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Lectures in General PhysicsElectric
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3.3 The direction of E rLectures in
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Lectures in General PhysicsExample
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Lectures in General PhysicsE y = E
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Notice that the rule of drawing the
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Lectures in General Physics3.8 Solu
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Lectures in General PhysicsE y = -E
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Lectures in General Physics3.10 Pro
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Lectures in General Physics3.16) Ch
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Electric FluxElectric Flux4.1 The E
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Electric Flux4.1 The Electric Flux
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Electric Fluxوالمقصود ب ne
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Electric FluxExample 4.2In figure 4
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Electric Flux1 q∴ E =(4.6)24πε
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Electric Flux4.7 Applications of Ga
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Electric FluxA linear charge distri
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Electric FluxAn insulated conductor
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Electric FluxFor r<aAaRrFigure 4.17
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Electric Flux4.8 Solution of some s
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المجالElectric Fluxلاحظ
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Electric FluxExample 4.7Consder a l
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Electric Flux4.9 Problems4.1) An el
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Electric FluxGauss’s law to find
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Lectures in General PhysicsElectric
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Lectures in General Physicsمثال
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Lectures in General Physics5.1 Defi
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Lectures in General Physics5.3 Elec
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Lectures in General Physics5.4 Pote
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Lectures in General Physics5.6 The
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Lectures in General PhysicsSolution
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Lectures in General Physics5.9 Solu
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Lectures in General Physics5.9) Con
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Multiple Choice QuestionsPart 1Prin
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Lectures in General Physicsmkmmkmab
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Lectures in General Physicsy3 nC0.2
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Lectures in General Physicsdensity
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Lectures in General Physics[24] A s
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Lectures in General PhysicsEEFigure
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Lectures in General PhysicsQ. No. A
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Direct Current Circuits8.22) Consid
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Multiple choice question for part 2
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Lectures in General PhysicsAPPENDIC
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Lectures in General PhysicsUndersta
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Lectures in General PhysicsThe posi
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Lectures in General Physicsيمر
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Lectures in General Physicsinexpens
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Lectures in General PhysicsBatteryB
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Lectures in General PhysicsThere ar
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Lectures in General PhysicsAPPENDIX
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Lectures in General PhysicsChapter
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Lectures in General PhysicsSI Deriv
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LengthMetric and Imperial Measures1
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Lectures in General PhysicsPeriodic
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Lectures in General PhysicsOpticsOp
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Lectures in General PhysicsAmerican
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APPENDIX (E)BibliographyLectures in
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APPENDIX (F)IndexLectures in Genera
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الفيزياء العامة الجزء الثاني#موقع الفيزياء.كوم

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