# Differences

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courses:order20:vforder20:vfcalculating 2019/05/30 07:58 courses:order20:vforder20:vfcalculating 2019/05/30 08:08 current
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===== In-class Content ===== ===== In-class Content =====
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====Lecture: Electric Potential==== ====Lecture: Electric Potential====
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Using what you one about the geometry of the situation, one can possibly simplify the numerator. For example: Using what you one about the geometry of the situation, one can possibly simplify the numerator. For example:
$$\text{Coordinate and Geometry Dependent:} \qquad V=\frac{1}{4 \pi \epsilon_0} \int\frac{\lambda s'\ d\phi'}{| s'^2 + s^2 +2ss' \cos(\phi-\phi') + z^2|}$$ $$\text{Coordinate and Geometry Dependent:} \qquad V=\frac{1}{4 \pi \epsilon_0} \int\frac{\lambda s'\ d\phi'}{| s'^2 + s^2 +2ss' \cos(\phi-\phi') + z^2|}$$
+Emphasize that "primes" (i.e., $s'$, $\phi'$, $z'$, etc.) are used to indicate the location of charge in the charge distribution.

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