Static, Questions and Answers

University:
Washington State University
Course:
Physics 101 | General Physics
Academic year:

2022
Views:

373

Pages:

10
Author:

Janor

aFive equal point charges are located atx 2,3,4,5,6 m.If potential at origin is540 V , then amount of individual charge is ?SolVo = Q4TTED1/2 2 + 1/1 + 14 + 5 + ']] = 540Q = 41.38 nc.Q A line charge exists on Z- axis with e = To -9 2 (c/m)If A is (2m, KIN o) and B is (4m, TT, 5m ) then thepotential difference VAB (i.e VA-VB) is ?SdAAVAB=-SEall= -a ap . de apB25 toABVAB =Pede =Psde = Rs2TTEDPB25to A2toVAB = 6.24 V{ where B=4 & PA=2}The Volume in cylinder b/w r=2m and 6=4m containsa uniform charge density e (c/ms)The Electric flex density in the regionnbetween2m areathen total charge enclosed ?SdOenc = Sev dv= 555 Co (a2-82) r2dr sinododo2KQenc=lo jcare - (sy) dr. Sinode Jds= Co [ast 3 5 [2][2i]]= Po (as 5 ( 45 )Oenc = Co (295 (44)Oenc = - 8T P. a15 Q Mislamens=For a particular Electric field E =Pcos24a - Psin20 ao^The eq" of streamline at ( s, 30,0) is. .SolE= Pcos24 a.e - P Sin20 ad + 0 a 3EP = de = Pcos20 = deEq (do - P Sinze edsde = - cot 2 $ dethe = - 1 log/Sin24 I + lnk2the = lnKsin 20P=Sin 20K= e ISin29 =SSin 2 830K = 4.65e = 4.65Eg=Sin20