Physics, 21.03.2020 10:58 QwesiElorm
(a) What is the potential between two points situated 10 cm and 20 cm from a 3.0-μC point charge? (b) To what location should the point at 20 cm be moved to increase this potential difference by a factor of two?
Answers: 3
![kQ\left[-\dfrac{1}{0.2\text{ m}} -\left( -\dfrac{1}{0.1\text{ m}}\right)\right] = \dfrac{kQ}{0.2\text{ m}} = \dfrac{9\times10^9\text{ F/m}\times3\times10^{-6}\text{ C}}{0.2\text{ m}}](/tpl/images/0557/7152/db517.png)
![270\times10^3 = kQ\left[-\dfrac{1}{x}-\left(-\dfrac{1}{0.1\text{ m}}\right)\right]](/tpl/images/0557/7152/64ac9.png)
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(a) What is the potential between two points situated 10 cm and 20 cm from a 3.0-μC point charge? (b...
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