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Give the properties and application of brass.
Brass- It is an alloy of copper and zinc with 60 percent copper and 40 percent zinc. Its electrical resistivity of Brass is 7.0 X 10-8 ohm-m that is higher than the copper resistivity. This is ductile and can be drawn in different shapes. This melts at 8900C. Its exact gravity is 3.3. This has got an excellent corrosion resistance. This has got good mechanical properties.
Applications: It is used as a structural and also current carrying material in power switches, sockets, plugs, lamp holders, knife switches, fuse holders, wave guide elements, sliding contacts for starters and rheostats, brazing reason, jewellery and utencils.
Mathematical relationship between the induced e.m.f and the network Faraday noted that the e.m.f induced in a loop is proportional to the rate of change of magnetic flux by it:
transformer voltage induced in armatur of ac commentator machin in case tha field flux in sinosoidal?..
Q . Differentiate between an integrator and differentiator? Integrators 1 Integrators are circuits in which output voltage is proportional to the integral of the input.
y[n]=2z=1
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sample problem and solutions with answer
OBJECTIVES OF NEP: Access to Electricity for whole households within the next five years. Availability of Power to be ensured to meet the demand through 2012. Pe
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Ask question (c) Reduce each of the given signal transmission situations to a source, coupling path(s), and receptor: (i) AM radio transmission to the human ear. (ii) TV transmis
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