Vector calculus
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Transcript of Vector calculus
Drill
● Determine the total surface area enclosing a cylinder.
● Determine the total surface area enclosing a sphere.
Streamlines and Sketches of Fields
Streamlines (flux lines or direction lines) are short line segments drawn with arrows pointing in the direction of E and the spacing of lines is inversely proportional to the strength of the field.
Example
Consider the vector field
Find the equation of one particular streamline passing through P(-2,7,10).
Drill 2.7
Find the equation of the streamline that passes through the point P(1,4,-2) in the field E=: (a) -8x/y ax + 4x2/y2 ay;
Drill 2.7
Find the equation of the streamline that passes through the point P(1,4,-2) in the field E=: (a) -8x/y ax + 4x2/y2 ay;
Ans. x2 + 2y2 = 33 ;