A)What is the electric potential at points A, B, and C in the figure? Assume tha

Question

A)What is the electric potential at points A, B, and C in the figure? Assume that q = 2.3nC , r1 = 1.2cm , and r2 = 2.1cm

B) What is the potential difference ?VAB ?

C) What is the potential difference ?VBC ?

*** PLEASE EXPLAIN YOUR ANSWER, SHOW YOUR WORK FOR HIGHER RATINGS/BEST ANSWER ***

A)What is the electric potential at points A, B, and C in the figure? Assume that q = 2.3nC , r1 = 1.2cm , and r2 = 2.1cm B) What is the potential difference ?VAB ? C) What is the potential difference ?VBC ? *** PLEASE EXPLAIN YOUR ANSWER, SHOW YOUR WORK FOR HIGHER RATINGS/BEST ANSWER ***

Explanation / Answer

potential due to charge is given by V= (1/4phiepslono)*(1/r)
V= 9*10^9*(q/r)
A)
Va=9*10^9*2.3*10^-9*(1/0.012)=1725 V
Vb=9*10^9*2.3*10^-9*(1/0.012)=1725 V

Vc=9*10^9*2.3*10^-9*(1/0.021)=985.7 V

B) Vab=Va-vb=0 V

c)Vbc=Vb-Vc=739.2 V

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