Electric Angle
Dipole in an electric field: if the angle between P and E is 0 degrees potential energy is negative right?
I just go by the formula U =- Pecos (angle) causes the integral of sin is-cos, but I think the impression that although the potential energy would be 0 i think because the balance of his explaining how hell is going on here
Yes, it will be negative. Do not confuse yourself … just type "0" in the place of the angle and you get its answer.As cos0 is 1, so U = PE.At equilibrium angle will be 0 or 180, ie parallel or antiparallel.So in these two cases, for angle = 0, cos0 = 1.and by Therefore, U =- PE for angle = 180, cos180 = -1, so U = PE.
Electric Angel – Hatsune Miku
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