yo 12:08 3G STC oooo. 1 Assignment 5 Chapter 2_Electric -M. PDF 499 -J. PHYS 331
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yo 12:08 3G STC oooo. 1 Assignment 5 Chapter 2_Electric -M. PDF 499 -J. PHYS 331. slamic University in Madinah Faculty of Science Electricity and Magnetism (1) Physics Department Assignment 5 Electric Field. flux and Gauss's Law IInd Term 1437/1438 Name: ID No Date: 26th March 2017 What are electric field lines? Giveimportant properties of electric field lines. 2. Define electric nuws4u. Giveformula and unit of electric nux. 3, Explain Gauss's law. 4. Find the divergence and curl of electric field. 5.Athin spherical shell of radius R has a charge +0evenly distributed over its surface. Use Gauss's law to find the electric field both inside and outside the shell 6. Use Gaussts law lo find the field outside and inside a uniformslycharged solid eplere of radius Rand total charge 7 suppose the electric field in some region is found to be E-Ar'F. in spherical coordinates (A is some constant). (a) Find the charge density p. (b Find the total charge contained in asphere of radius R centered at the origin (Doit two different ways) 8. Use Gauss's law to find the electric field E)a distance from a line of positive charge infinite length (L)and constant charge perunit length as shown in Figure). 9 A long cylinder charge density that is proportional to the distance fram the axis p As, for some constant k Use Gaukss law to find the electric field inside this cylinder. Calculate the electric field due to an infinite conducting sheet of surface charge density Aninfinite plane carries a unifom surface charge (e. Use Gauss'slaw to find its clectric field. 2.Two infinite conducting parallel planes cany equal but opposite uniform charge densities se as shown in Figure l. Find the field in each ofthe three regions: Ei.to the let of both (i) between them. (iii) to the right of both.Explanation / Answer
1- The electric field around the charges is generally represented with the help of pattern of lines. This pattern is called th electric field lines. Electric field lines originate from the positiv charge and end at negative charge or it may be around a singl positive or negative charge.
Properties-
1- Electric field lines originate from positive charge and end at nefative charge.
2- Electric field lines never cut each other.
3- They represent the density of electric field. More lines represent more atrong field.
4- Electric field lines are always at 90 degree to the surface of the charge.
5- They dont form closed loops.
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