# Lab2 - Physics 272Lab Lab 2 Electric Field of a Dipole...

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Lab 2: Electric Field of a Dipole 20 Lab #2 – The Electric Field of a Dipole OBJECTIVES In this lab you will: Create a dipole using VPython Use vectors to map the Electric Field patterns of the dipole in 3D From investigating the Electric Field of a dipole in lecture, you have learned very simple, yet powerful formulas for calculating the E-field of a dipole: Along the dipole axis : ± ²³ ´´ µ¶ · ¸¹º » ¼½¾ ¿ À And perpendicular to the dipole axis: ± ²³ Á µ¶ · ¸¹º » ½¾ ¿ À To calculate the Electric field at any location other than these two axes, you must use the superposition principle. Using VPython, you will create a program that allows easy calculation of the electric field at any point in space. Then, by having VPython display arrows representing the E-Field at multiple locations, you will be able to visualize the E-field pattern of an electric dipole. 1) Warm-Up Problem Problem (1) A negatively charged (-e) atom and a positively charged (+e) atom are located at ¶ÂÃÄÅ Æ ÇÃ ÈÉ Ê ÃÊ ÃË m and ¶¶ÂÌÃÄÅ Æ ÇÃ ÈÉ Ê ÃÊ ÃË m , respectively. Choose the observation location to be ¶ÂÇÄÍ Æ ÇÃ ÈÉ Ê ÇÄÃ Æ ÇÃ ÈÉ Ê ÃË m . (a) Draw a diagram for the above situation. Include each charged particle, the observation location, the relative position vectors from each particle to the observation location, the individual Electric field vectors, and the net Electric field vector at the observation location. Label all the objects with descriptive names. (b) Calculate the net Electric field at the observation location. CHECKPOINT 1: Ask an instructor to check your work for credit.

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Lab2 - Physics 272Lab Lab 2 Electric Field of a Dipole...

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