Problem 2 6= An n-type Si sample (n = 100 cm³, 11.7) with Na = 100 cm³ has trapped positive = 10° cm 2. Find the value of the surface surface charges at the surface density N's potential os assuming that os

infinitely long non conducting wire of inner radius R and An outer radius 2R. The volumetric charge densi7g r=Kr the cylindrical shell is given by the Here ex pression K is positive constant and r is the distance from the axis af the cylinder a) Find the electric ficld în the region r> 2R Using Gauss's lauw. 6) Find the potential ditterence VB-VA using electric tieldl the you fourd. -p=Kr 2R A -3R- -ム 一

A cloud of electrons is confined between two concentric spheres of radii 2 cm and 5 cm. The volume density of this cloud of -3x10-8 electrons is expressed by the equation: P, -cos² ø C/m³. Determine the total charge Q contaned in the region.

x+x Ex03 Consider a quantity of charge 4 distrubated over a portion of a circumference with center 0 and radius R 25cm, with lunear density Diz 10th c/cm (^<0). The Portion has a length Ro (0 = 11). 2 α) Gove the expression for the elementary electrostatio fueld dB created by de the elementary charge density "do at the center 0. b) First gove do as a function of R, R and do. 0) Deduce the foeld & created by the charge of at point 。 and calculate the modulus Б of 1)+ HDL

Please solve asap i'm studying for my test tomorrow and i need the answer

The spherical nucleus of the certain atom contains a positive charge ze in a volume of radius r. compare the force exerted on electron inside the nucleus at radius 0.5r with the force at radius r for the nucleus in which a)the charge quantity is constant throughout its volume and b)the charge density increases in direction proportion to the radius r. ?

1. Comsider fuo charnges y. - 37e and paitions (20, 88, 87) and C, = 18 e at -45 -1) 元,40) Respeekinly ane in the reale of 10-> matow. of parition wetar of the dlagge Vi is R, and change e is ñz where ll the coordinates meanured m Or nans Now consider anather charge V3 yz plem paudioned at *- n). caloulade nat fance d aeling - 30 e in the L18 4s - 18). c) Net Farce due to ather dengea on goeomponent-?,z eomponent -II due to alher ebarges! [n componel =? d) Net Farce on V2 [nemponent :?, g oumporant a?, zleamponant .? I e) ealeulate the net destmie field at the pandion of No due to ri an Nate that cant ealeulade deotrie you panikion . Own . field of No at it's Ln =? , g=?, z:?

what is the magnitude of the electric porce of between attraction nucleus (q++26c) and its an on Innermost electron if the distance betveen them is 1.5810-12m?

Handwritten or typed, vll upvote, it is urgent plz

Consider a thin sphencal Shell of radeos 14cm with a total Charge of 32 uc distributed. Uniformly on its Surface. Find the electrie ferd. a) o.o cm. b) 20 cm from the in Center of Charge. distribution.?