A point charge of -7.2 µC is atthe origin. (a) What is the electric potential du

Question

A point charge of -7.2 µC is atthe origin.
(a) What is the electric potential due to thischarge at (2.0 m, 0)?
__________? V
(b) What is the electric potential to this charge at (-2.0 m,0)?
__________? V
(c) What is the electric potential to this charge at (2.0 m, -2m)?
___________? V (a) What is the electric potential due to thischarge at (2.0 m, 0)?
__________? V
(b) What is the electric potential to this charge at (-2.0 m,0)?
__________? V
(c) What is the electric potential to this charge at (2.0 m, -2m)?
___________? V

Explanation / Answer

      =-32.4kV
(b) Electric potential V =(9*109Nm2/C2)(-7.2*10-6C)/(2m)       =-32.4kV
(c) Electric potential V =(9*109Nm2/C2)(-7.2*10-6C)/[(2m)2+ (-2m)2]       =-22.9kV

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