1) Anww FOUR only (40 Marks) Find the EPA. 1. 1) due to a point charge 100 pax (4.1, 3), p - 2 nim at the x-axis and phm
Posted: Fri Apr 29, 2022 8:24 am
1) Anww FOUR only (40 Marks) Find the EPA. 1. 1) due to a point charge 100 pax (4.1, 3), p - 2 nim at the x-axis and phm. Then find for in point charge at P. 1). A point charge of imc is located a(0, 0, 4). Find the potential Vro if P-1.1.2) marud (1,2,3) Find the electric field intensity if yesin cos 2p V. d. Find the voltage at (2 cm, 30, 45) due to and electric diploe of point charges +5 nC located . What is the conductivity of GaAs if the electron and hole mobilities are 1400 and 450 em's, respectively, and the carriers' density is 10 cm. Note: electron charge is 1.6x10" C. f. Find the capacitance for a circular parallel plate capacitor with t = 4.3, r= 2.5 mm and h - 100 jum B. Two dielectrics meet at x = 0. At z20, E1 - 2.1 and for x < 0,62 = 4.3. Find D2 at z so if Ẽ, = ả, +3, +ã, V/m at 220. 02) In free snare