1. (a) A parallel plate capacitor consists of two metal sheets of copper foil, each of area 0.5 m2,separated by a 5.0 mm thick sheet of plastic having a relative permittivity of 2.26. What is thecapacitance?(b) Calculate the capacitance per meter of length of air filled coaxial line with an innerconductor of 3 mm diameter and an outer conductor of inside diameter of 6 mm.[2 Marks]2. (a) Define Biot-Savart's law with the equation.(b) Define Lenz's Law.[2 Marks]3. Find the current density for the given magnetic field intensity H = yz âx + 4xy ây + y âz (A/m)at a point P (1, -2, 3).[2 Marks]4. The potential difference is of the form V = 10y2 + 20x3.(a) Find pv at P(10,12)(b) For given potential V = xy2 - yz. Check whether it satisfies laplace's equation at the pointP(1, -2, 3)[2 Marks]

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Answered: 1. (a) A parallel plate capacitor…

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