Electric Potential Video Lessons

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Problem: A 2.5mm -diameter glass bead is positively charged. The potential difference between a point 2.5mm from the bead and a point 4.2mm from the bead is 500 V. Part A What is the charge on the bead?

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The potential due to charge:

V=kQr,

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Problem Details

A 2.5mm -diameter glass bead is positively charged. The potential difference between a point 2.5mm from the bead and a point 4.2mm from the bead is 500 V. 

Part A What is the charge on the bead?

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