3. A spherical shell with inner radius RA and outer radius Rp is filled with a material with uniform charge per unit volume po. The inside of the shell is empty. a) What is the electric field inside the shell, for r < RA? b) Find the electric field ouside the sphere, for r > Ra. c) Find the electric field inside the shell, for Ra < r< Rn. d) Suppose the surface at Ra is coated with a uniform surface charge density o. Which regions of the electric field are affected and what are the new values for the field? • crom section

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A: Solution !!

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Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.