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Explain the suitability of copper that is used as electrical conducting materials.
Copper: Pure annealed is utilized for the winding of electrical machines. High purity copper is acquired by electrolytic refining. Traces (0.1 percent) of iron, phosphorous or silicon seriously reduce the conductivity of copper. The conductivity of it is also decreased when this is hard drawn in wires for employ in machines. Therefore annealing is essential before the material can be used in machines. Hard drawn copper because of its increased mechanical strength compared along with annealed copper is used for conductors in low voltage overhead distribution lines. Long span lines of thin cross section needs conductors of higher mechanical strength that is achieved by adding minute percentage of cadmium to copper. It is used in machine windings since it is simply workable without any likelihood of fracture.
For the motor speci?ed in figure, compute the following: (a) The load component I' 2 of the stator current, the internal torque T, and the internal power P m for a slip of 0.
Q. Transient behavior of a control system? The transient portion of the time response of a stable control system is that part which goes to zero as time increases and becomes s
Some wire of cross-sectional area 1mm 2 has a resistance of 20Ω. Determine: a) The resistance of a wire of the same length and material if the cross-sectional area is 4 mm 2 .
Find I and V in the figure using ideal diode model
thermocouple
An intrinsic semiconductor at room temperature has free electrons
describe the working and construction diagram of nicholas prism
Binary Multiplication Multiplication can be seen as multiple additions. For example if we have to multiple 4 and 8 we can 8, 4 time to get the solution. Actually this conc
HOW TO DESIGN
Structure of Bipolar junction transistor: A BJT contains three differently doped semiconductor regions that are: emitter region, base region and collector region. These regio
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