An electric dipole is formed from ?1.0 nC charges spaced 2.0 mm apart. The dipol

Question

An electric dipole is formed from ?1.0 nC charges spaced 2.0 mm apart. The dipole is at the origin, oriented along the y axis. A) Determine the potential energy of this system of charges. [2 points] B) Determine the magnitude and direction of electric field at point A=(1.0 cm,0 cm). [4 points] C) Determine the electric potential at point B=(0 cm, 1.0 cm). [4 points]


need workings

An electric dipole is formed from ?1.0 nC charges spaced 2.0 mm apart. The dipole is at the origin, oriented along the y axis. A) Determine the potential energy of this system of charges. [2 points] B) Determine the magnitude and direction of electric field at point A=(1.0 cm,0 cm). [4 points] C) Determine the electric potential at point B=(0 cm, 1.0 cm). [4 points] need workings

Explanation / Answer

The general way to do any sort of electric field problem is to use superposition. In other words, just consider one charge's contribution to electric field and then add the other charge's contribution to electric field to that. Electric field is electric force over charge In this case E = kq/(distance)^2 where k is the constant 1/4pi*epsilon or 9*10^9 The distance you can find using the pythagorean thm and charge is given, so just go ahead and plug it in :)

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