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There exists a uniform electric field E=4×10^5 V/m directed along negative x axis such that the electric potential at origin is 0.A charge of 200micro placed at origin and a charge of 200micro placed at 3m,0.The electrostatic potential energy of system is

There exists a uniform electric field E=4×10^5 V/m directed along negative x axis such that the electric potential at origin is 0.A charge of 200micro placed at origin and a charge of 200micro placed at 3m,0.The electrostatic potential energy of system is 

Grade:12

1 Answers

Arun
25763 Points
2 years ago
Dear student
 

Dipole moment of the two charges is

 

p = q × l

p = 200×10^-4 × 3

p = 1.2×10^-3

 

P.E. = pEcos∅

P.E. = 1.2×10^-3 × 4×10^5 [ cos∅ = 0°]

P.E. = 4.8×10^2 J

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