TUTORIAL 2
1. (SADIKU, p. 74, practice exercise 3.6) Determine the divergence of the following vector fields. Also, evaluate them at the specified points: (a) (b) (c) 2. Gauss's Law says that if we have a point charge outside some closed surface S,
The University of Western Australia School of Electrical, Electronic and Computer Engineering Solutions - Tutorial Sheet 15, 2006 Electromagnetic Theory ENGT3303
Question 1 The resulting plane wave is obtained by superposition and is given by
( z ,
The University of Western Australia School of Electrical, Electronic and Computer Engineering Solutions - Tutorial Sheet 14, 2006 Electromagnetic Theory ENGT 3303
Question 1 Recall we used real fields rather than their phasor representations to calc
The University of Western Australia School of Electrical, Electronic and Computer Engineering Solutions - Tutorial Sheet 13, 2006 Electromagnetic Theory ENGT 3303
Question 1 Do we have a good conductor, a good insulator or do we have to use the comp
The University of Western Australia School of Electrical, Electronic and Computer Engineering Solutions - Tutorial Sheet 12, 2006 Electromagnetic Theory ENGT 3303
Question 1 A medium has the following constitutive parameters:
= 0 , = 9 0 , = 5
The University of Western Australia School of Electrical, Electronic and Computer Engineering Solutions - Tutorial Sheet 11, 2006 Electromagnetic Theory ENGT 3303 Question 1 (a) i. Write the following time varying vector fields in phasor form.
B = -2
ET331 Tutorial 10 Solution, 2005 The University of Western Australia School of Electrical, Electronic and Computer Engineering Tutorial Sheet 10 - Solution, 2005 Electromagnetic Theory 331
Question 1 (SADIKU 2nd edition, problem 9.5, p. 440, 3rd ed
TUTORIAL 9
1. B DUE TO A LONG STRAIGHT WIRE In Tutorial 8, you showed (we hope) that the field due to a wire of length l directed along the z axis was given by
B=
0 I (cos $1 ! cos $2 )a % 4"#
where the angles were defined at the point of observa
TUTORIAL 8
1. In lectures, the magnetic force on a charged particle was given by the empirical expression:
Fm = Q(v ! B) .
(i) Use this expression to derive a general expression for the force on a circuit in a magnetic field.
Consider the circuit
ELECTROMAGNETIC THEORY
TUTORIAL 7: PRACTICE TEST
Tutorial Classes: This is a practice test not for assessment.
Please use vector notation where appropriate. Time: 45 minutes. Answer ALL of the following. 1. (5 marks) (a) Explain the Principle of Su
TUTORIAL 6
1. (SADIKU review question 5.8) The uniform field directions shown in the figure below are between two different LIH media. Assuming that the boundary is charge free, and !2 > !1 , which configurations are correct?
z 1 D1 y 2 D2 2 D2 1 D1
TUTORIAL 5
1. What is the potential of the metal sphere at breakdown in Example 10 in Lectures? 2. A parallel plate capacitor of plate dimensions 10 cm 15 cm and separation of 20 microns is charged to 20 V. The dielectric constant of the filler is
TUTORIAL 4
1. (SADIKU, p. 67, practice exercise 3.3) Determine the gradient of the following scalar fields: (a) U = x 2 y + xyz ; (b) V = "z sin # + z 2 cos2 # + " 2 ; (c) f = cos" sin # ln r + r 2# . 2.
! ! !
Sketch the gradients to the above sur
TUTORIAL 3
1.
" " " a # + z 2 cos a" + 4z# sin a z mC/m 2 , using two different methods, find 2 2 2 the total charge enclosed by the object defined by "2 # z # 1 , 1 " # " 4 , 0 " # " $ .
If D = 2z 2 sin 2. ! Given that D = 2"z cos2 #a " $ "z sin #
TUTORIAL 1
1. Investigate the assertion made in Lecture 1 that the magnitude of the electric force exceeds that of the gravitational force by 1036 by calculating the ratio of the forces between: (a) (b) two electrons; two protons.
Consider two peop