Practice: A -2C charge lies at rest. **(a)** What is the potential difference between point A, which is 1.5m from the charge, and point B, which is 4m from the charge? **(b)** What would the work on a 4C charge be to move it from A to B?

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Electric Potential | 30 mins | 0 completed | Learn Summary |

Work From Electric Force | 32 mins | 0 completed | Learn |

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Concept #1: Relationships Between Force, Field, Energy, Potential

Example #1: Potential at Center of Charges in a Square

Practice: A -2C charge lies at rest. **(a)** What is the potential difference between point A, which is 1.5m from the charge, and point B, which is 4m from the charge? **(b)** What would the work on a 4C charge be to move it from A to B?

Practice: 4 identical charges are arranged so that they are evenly spaced in a circle. If the radius of the circle is 10 cm, and the potential at the center of the circle is −100 V, what is the magnitude of each charge?

Example #2: Potential Difference Between Two Charges

Example #3: Distance to Stop a Point Charge

0 of 6 completed

Concept #1: Relationships Between Force, Field, Energy, Pote...

Example #1: Potential at Center of Charges in a Square

Practice #1: Potential Difference Due to a Point Charge

Practice #2: Potential at Center of Charges in a Circle

Example #2: Potential Difference Between Two Charges

Example #3: Distance to Stop a Point Charge

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