Contents
1
2
3
4
5
6
7
8
9
index
Modules
Demos
Solved Problems
Vector Algebra
Module 3.5
Shining Star
Q.
The power density radiated by a star decreases radially as
where R is the distance from the star. Recalling that the gradient of a scalar function denotes the maximum rate of change of that quantity per unit distance and the direction of the gradient is along the direction of maximum increase, which of the four graphical presentations correctly depicts
?
(a)
(b)
(c)
(d)
to show analytical solution.
Proceed to Module 3.6
Contents
1
2
3
4
5
6
7
8
9
index
Modules
Demos
Solved Problems
Fawwaz T. Ulaby,
Fundamentals of Applied Electromagnetics.
Prentice Hall, Upper Saddle River, New Jersey, 2001. Copyright © 2001 Prentice Hall.
