An electric quadrupole consists of two oppositely directed di-poles in close proximity.? (a) Calculate the field of
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An electric quadrupole consists of two oppositely directed di-poles in close proximity.?
(a) Calculate the field of the quadrupole shown in Fig. 20.33 for points to the right of x =a?
(b) show that for x >>a the quadrupole field falls off as 1/x4
Transcribed Image Text:
-29 +q (+) +q (+) x = -a X = 0 x = a FIGURE 20.33 Problem 69
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