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Safari File Edit View History Bookmarks Window Help 859% Fri 1:21 PM a E session.masteringphysics.com PHYS202-011 Fall 2018 Abby KAssignment 3 Problem 20.23 7 of 15 What is the electric potential at point A? In (Figure 1), q = +2.3 nC and q2 =-24 nC. and the side length of the square is 0.10 m Express your answer to two significant figures and include appropriate units alue Units Submit Part B Figure 1 of 1> What is the electric potential at point B? Express your answer to two significant figures and include appropriate units 9 Valu Units -O 42 Submit Request Answer

Explanation / Answer

potential due to a charge q at a distance d is given by

V=k*q/d

where k is coloumb’s constant=9*10^9

let square side=a=0.1 m

then the diagonal length=d=sqrt(2)*a

potential at A=(k*q1/a)+(k*q2/d)

=54.265 volts

part b:

electric potential at B=(k*q1/d)+(k*q2/a)

=-69.629 volts

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