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Gauss’s Lawggg - GROUP MEMBERs Imran Gujjar Kaleem Ullah...

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GROUP MEMBER’s Imran Gujjar Kaleem Ullah Dilawar Gull Sufyan Maqsood Muhammad Umair Ghufran
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Gauss’s Law Karl Friedrich Gauss (1777-1855) – German mathematician
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Gauss’s Law Karl Friedrich Gauss (1777-1855) – German mathematician Already can calculate the E-field of an arbitrary charge distribution using Coulomb’s Law. Gauss’s Law allows the same thing, but much more easily… … so long as the charge distribution is highly symmetrical .
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Gauss’s Law We found the E-fields in the vicinity of continuous charge distributions by integration … booooo: E-field of charged disc (R>>x): Now, we’ll learn an easier way. o E 2 dE r x r R
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Electric Flux Sounds fancy, but it’s not hard Electric Flux measures how much an electric field wants to “push through” or “flow through” some arbitrary surface area We care about flux because it makes certain calculations easier.
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Electric Flux – Case 1 Easiest case : The E-field is uniform The plane is perpendicular to the field E E A r
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Easiest case : The E-field is uniform The plane is perpendicular to the field Electric Flux Flux depends on how strong the E-field is and how big the area is. Electric Flux – Case 1 E E A r
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Electric Flux – Case 2 Junior Varsity case : The field is uniform The plane is not perpendicular to the field E E A E Acos r r
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Electric Flux – Case 2 Junior Varsity case : The field is uniform The plane is not perpendicular to the field
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