Question

92 41 The figure shows a neutral metal block, placed between two-point charges. Point A is inside the metal block. The point charges polarize the metal. XA a) Draw the approximate charge distributions on the metal due to the polarization b) ) At location A, draw and label the following electric fields: (3 points) Ē, due to charge 41- (3 points) Ē, due to charge 92. (4 points) Ēpol due to the polarization charge on the metal. . c) (5 points) If Ē, +Ē, = (2 x 105, 0, 0) N/C, calculate Epol.

Answer 1

Solution

Sdurian a) Negatively Density charged regions - Positively clasged side charged side +92 Rarely clarged regions b) 2. q Since i's CÊ q, is negative electric field due to q, af A. will be directed towards q, and 2 positive electric field due to q CÊ will be directed metal away aquires the charge ve charge on deft side plectric field due left (From the to negative) from 22 Abo the on right side and to this polasization will be directed toward c) we must have, Since electric field inside a This Expe= -(&+E) conductor is always <-2x10, o, o> NCC

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