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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.
kindly tell me which text book is usefull forlearn the basic electricle.
Q. If the output signal fromanAMmodulator is given by u(t) = 5 cos 1800 πt + 20 cos 2000 πt + 5 cos 2200 πt , determine: (a) The modulating signal m(t) and carrier c(t). (b)
What is TXD? TXD- Transmitter Data Output This output pin carries serial stream of the transmitted data bits by with other information like start bit, stop bits and priority
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