4. A metal wire with uniform charge density A is bent into a semicircle of radius...

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4. A metal wire with uniform charge density A is bent into a semicircle of radius a as shown in Figure 2. Calculate the clectric field at the p, the centre of the semicircle. Hint: Integrate between limits- and +. C2 Figure 2: Wire in semi-circular shape 4. A metal wire with uniform charge density A is bent into a semicircle of radius a as shown in Figure 2. Calculate the clectric field at the p, the centre of the semicircle. Hint: Integrate between limits- and +. C2 Figure 2: Wire in semi-circular shape