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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.
Give a short description of soft ferrites . Soft ferrites and their applications: all non- metallic compounds are consisting of ferric oxide and one or two bivalent metal oxid
why do we prefer h model ampliflying circuits?
Q. Draw the logic diagram of an SR latch using only NAND gates, and obtain the truth table for that implementation.
1.Determine and plot the ratios μ tr /μ and μ ab /μ from 5 keV to 100 MeV for (a) air, (b) water, (c) muscle, (d) bone, and (d) lead
Q. What are the features of clamping circuits? The clamping circuit does not change the peak to peak or r.m.s value of the waveform .Thus the input waveform and clamped output
One of the simplest circuits is the asynchronous or ' ripple' counter. Below is shown the circuit diagram of a simple 3 stage ripple counter. The operation of this circuit
Geometric transformations Apply the following geometric transformation to a set of points. Generate randomly coordinates for 1 point X=(x,y). X=100*rand(2,1) x=X(1,1)%to
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Pareto Analysis Pareto charts are based on the principle - "Vital Few Trivial Many". It allows user to focus attention on a few significant factors in a process. It is very us
Q. Discuss the disadvantages of an RC coupled amplifier? RC coupled amplifiers have a few disadvantages. The resistors use dc power and so the amplifier has low efficiency. The
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