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184_notes:examples:week2_electric_potential_positive_point [2018/02/03 21:15] – tallpaul | 184_notes:examples:week2_electric_potential_positive_point [2018/05/17 16:48] (current) – curdemma | ||
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===== Example: Electric Potential from a Positively Charged Balloon ===== | ===== Example: Electric Potential from a Positively Charged Balloon ===== | ||
Suppose we have a positively charged balloon with total charge $Q=5.0\cdot 10^{-9} \text{ C}$. What is the electric potential (also called voltage) at a point $P$, which is a distance $R=50 \text{ cm}$ from the center of the balloon? | Suppose we have a positively charged balloon with total charge $Q=5.0\cdot 10^{-9} \text{ C}$. What is the electric potential (also called voltage) at a point $P$, which is a distance $R=50 \text{ cm}$ from the center of the balloon? | ||
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===Goal=== | ===Goal=== |