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Physics 10 Online
OpenStudy (anonymous):

For the electric field shown, which of the following statements describes an increase in voltage? A. A positive charge moves along an equipotential line. B. A positive charge crosses an equipotential line toward the source charge. C. A negative charge crosses an equipotential line toward the source charge. D. You cannot tell from the information given.

OpenStudy (anonymous):

OpenStudy (michele_laino):

please,wait a moment since many stuudents are asking for help

OpenStudy (anonymous):

ok!

OpenStudy (michele_laino):

the electric voltage is given by the subsequent formula: \[V\left( r \right) = K\frac{Q}{r}\]

OpenStudy (anonymous):

ok! what do we plug in?

OpenStudy (michele_laino):

where r is the subsequent distance: |dw:1433443640459:dw|

OpenStudy (michele_laino):

in order to increase the potential, we have: 1) decrese the distance r, if the other charge is positive 2) increase the distance r if the other charge is negative

OpenStudy (michele_laino):

decrease*

OpenStudy (anonymous):

ohh okay!! so then our solution is choice B? :/

OpenStudy (michele_laino):

that's right!

OpenStudy (anonymous):

yay!! thank you1!:D

OpenStudy (michele_laino):

:)

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