1. A resistor is made out of a material with resistivity p. The resistor is in the shape of a thick cylindrical shell of inner radius a, outer radius b, and length e. c) Suppose we change the outer radius to c. What is the new resistance? Show that this is the same resistance that we would get if we added a resistor with inner radius a and outer radius b in parallel to another resistor with inner radius b and outer radius c. The resistor is attached to the circuit at the ends of the cylinders, so that current flows along the length. d) The original resistor is hooked up to a voltage source of voltage V. through the resistor? What current runs e) What power does the resistor emit when it is hooked up to this circuit? *) Find the resistance of the resistor if, instead of running the current along the length, we attach one end of the circuit to the inner radius and the other end to the outer radius, so that current now flows radially out through the resistor? . a) What is the resistance of this resistor? b) Suppose we change the length to 2t. does the resistance change? Does this make sense given what you know about adding resistors in series? How

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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.