do number i) and ii)
(b) Figure 2 shows a uniform square line charge with the line charge density, P₁ = 2лμ€/m at z = 0. All four sides are symmetrical to x-y plane and have equal length of a m. i) Derived and shows that the electric field intensity, E at P(0, 0, h) is E= x Ph 8a π₂(a² +4h²)√(2a² +4h²) [10 Marks] [C01, PO1, C4] ii) Using the formula derived in b)i) and the length, a = 6 m, find E at origin, P(0, 0, -0.5) and P(0, 0, 0.5). Compare and explain the results. P(0, 0, h)- a Figure 2 Z. a [5 Marks] [C01, PO1, C4]
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