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r\'} over {` left| vec r `-` vec r\' `right|^3} `` dv\'
P. 37 D2.4
Problems. #6 #7 #11 #12 2.1 The Experimental Law of Coulomb
2.2 Electric Field Intensity
2.3 Field due to a continuous volume charge
2.4 Field of a line charge
2.5 Field of a sheet of charge
2.6 Streamlines and s
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8.1 Prove that the streamlines ψ (r, θ ) in polar coordinates, from Eq. (8.10), are orthogonal to the potential lines φ (r, θ ).
Solution: The streamline slope is represented by
Since the ψ ? slope = ?1/( φ ? slope), the two sets of lines are orthogonal. Ans.
8.2 The steady plane
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