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Suppose the force is very carefully measured between a pair of point charges separated by a dielectric material and is found to be
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Fundamentals of Electromagnetics with Engineering Applications
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- An iron ring has a length of 60 cm and cross section of 4 cm^2. If the field strength is 1.5 T, find the required ampere-turns. Assume permeability of iron is1800.arrow_forwardA particle with a mass of 2.0 x 10^-5 kg and a charge of +2.0 µC is released in a (parallel plate) uniform electric field of 12 N/C. How far does the particle travel in 0.50 sec? What is its speed at that point?arrow_forwardTwo identical Conducting spheres having unequal opposite charges attract each other with a force of 3.15 N when separated by 0.2 m. The sphere experiences a force of repulsion of 0.625 N when they are made to touch for moment and then placed at a distance 0.3 m apart. Find the initial charge on each sphere.arrow_forward
- What is the electric flux density (in µC/m2) at a point (6, 4, - 5) caused by a uniform surface charge density of 60 µC/m2 at a plane x = 8?arrow_forwardin a non-magnetic medium, with η = 30π Ω, we have an E = 5cos (ωt + βy) ax [V / m].The relative permittivity is:arrow_forwardExplain the benefit of inserting a dielectric material in acapacitor in terms of the electric potential V.arrow_forward
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