POWE271
Assignment 3
Objective: The aim of this tutorial sheet is to solve problems on Coulombs
Law and Gausss Law.
Question One
The electrostatic deflection system
of a cathode-ray oscillograph (CRO)
is depicted in Fig. 1. Electrons from
a heated cathode

POWE271
Assignment 1
Objective: The objective of this assignment is to revise some vector calculus
information
Question 1
In order to illustrate these definitions and operations, let us consider the vector field
G = yax 2.5 xa y + 3az and the point Q(4, 5

POWE271
Assignment 4
Objective: The aim of this assignment is to learn how to calculate the
electric potential and to solve problems on static electric field.
Question One
Three charges (+q, -2q, and +q) are arranged along the z-axis at z = d/2, z = 0, an

POWE271
Assignment 2
Objective: The objective of this assignment is to get used to work with vectors and
certain theorems
Question 1
Find the total charge within a volume defined by:
if the charge density is given as:
Question 2
Assume that the vector fie

POWE271
Assignment 5
Objective: The aim of this assignment is to learn how to calculate the
electric potential and to solve problems on static electric field in different
types of materials.
Choose four questions out of the following questions:
Question O