Question

3 nC 10 nc 2 m North West East 1 m South А -16 nc Three charged particles are placed at three corners of a rectangle as shown in figure. What is the net electric field acting at the fourth corner, shown by Point A? 40.3 N/C, 30° south of east 40.3 N/C, 60° south of east 57.8 N/C, 53° south of west 51.3 N/C, 57° south of east 81 N/C , 45° south of west 57.8 N/C, 37° south of west 81 N/C, 45° north of west 51.3 N/C, 33° south of east

Answer 1

6,7 Field by 3mc at A +3ne am tione E = k a *** 9x10% zxos 55 27N/ Ex-1 Field by 16 nc at A'. 16x109 = 36 N/ 5 tone gm Eg 9x10% 3 EL & field by lone at E9x108x tana= O-tan" (2) - 63.49 9x105 10x109 : ISNI Es sino E yao ی ماہا 6 E sin(63-4) 16-1 NIC (West) 5 (63-4): 8.06 ) Ezy 5 36 - 164 = 20 N/c be - fax 35 Nic Ey - Ezy &E, 27+8.06= 35.06 N/c. €2 ERA Resultant electric field FR = FR Ft Ey? ky 400+ 1225 (5) Ey 35 40.3 Nlc tanor 20 O-tan 40.3 N/C 66 south of an (35) = 60 East