السلام عليكم اما بالنسبه للمسائل اللى انت طلبتها فاهه :
1.a charge +q is situated at (-a,0,0) and acharge -2q is situsted at (a,0,0) is there apoint space at which E=0
2. APOINT CHARGE OF 5 nC IS LOCATED AT THE POINT 2,-2,3 METER AND ANOTHER POINT OF CHARGE OF 3nC is located at the point of -3,1,2 find the force F of these charges on acharge of 2 nC at 4,4,4 and express F in terms of its rectanglular components and in terms of its magnitude and unit vector
3. apoint charge is situated at each corner of an equilateral tringle if the charge are a 3 nC each is there apoint not at infinity at which the total force on atest charge is zero and if it exist determine its coordinates
4. acharge q is located at 0,0,d\2 another charge -q ia at apoint 0,0,-d\2 the two charge of equal magnitude but opposite inn sign sepreated by the didstance d constitue at electric dipole of dipole moment P=qd find the ekectric field in terms of p at any point 0,0,z at the z axis
5. THE CHARGE DENSITY varies with radius r in acylindercial coordinates systen as ro =q/(a2 +r2)2 where q and r is constant within what distance from the z axis does half the total charge lie
6. an infinite line charge of charge density ql =2nC/M lies along the x axis in free space while two point charges of 8nc are located at 0,0,1 AND 0,0,-1 find E at 2,3,-4 to what value should ql be changed to cause E to be zero at 0,0,3
7. the semi-infinite line z>0 and z=0 ,x=0 ,y=0 carries auniform charge density of 15 nC/m determine E at apoint 1,2,3 in free space
اتمنى انه المسائل تعجبك وعلى فكره دا الشيت الاول فيه 9 تانين هناخدهم السنه دى على مراحلان شاء الله كل شيت جديد هرفعه ليك سلاموز
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