With reference to Fig. 1, charge Q is located at a distance d above a grounded half-plane...

With reference to Fig. 1, charge Q is located at a distance d above a grounded half-plane located in the x−y plane and at a distance d from another grounded half-plane in the x−z plane. Use the image method to

(a) Establish the magnitudes, polarities, and locations of the images of charge Q with respect to each of the two ground planes (as if each is infinite in extent).

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(b) Find the electric potential and electric field at an arbitrary point P(0, y, z).

Figure 1

Charge Q next to two perpendicular, grounded, conducting half-planes.