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explain effect of frequency of applied electric fieldif an external electric field is applied the distance among charges that is related to chemical
explain dipolar polarizationdipolar polarization is a polarization which is particular to polar molecules such polarization results from permanent
explain ionic polarizationionic polarization is polarization that is caused by relative displacements between negative and positive ions in ionic
explain electric polarizationelectric polarization this polarization density is the vector field such expresses the density of permanent or induced
explain the different types of polarizationspolarizations are of three typesi electric polarizationii ionic polarizationiii dipolar
explain einstein relationeinstein relationthere exists a significant relation between the diffusion constant and the mobility it is termed as the
write shorte note on carboncarbon the rate of commutator wear in electrical machines is greatly decreased by using brushes made of carbon carbon c is
write short note on dielectric constantall insulation material has the capacity to store charge while placed in among two conducting plates as in
discuss applications of dielectrics application of dielectricsfor various applications various properties of dielectric materials are required as
explain polymers and their applicationspolymeric materials or plastics contain a large group of organo or organic metallic high molecules compound
explain electrical contact materialselectrical contact materials some elements in their relatively pure forms as copper nickel molybdenum palladium
explain iron and silicon iron alloys iron galvanised steel and iron wires that are usually used for earth conductor in low voltage distribution
explain polarizationpolarization a dielectric has molecules the atomic nuclei of that are effectively fixed related to each other in absence of any
explain temperature dependence of electrical resistivity and conductivity in semiconductors the electrical conductivity of the semiconductors changes
explain temperature dependence of electrical conductivity and resistivity in conductorswhen the temperature is increased there is a greater thermal
explain the properties of high resistivity materialshigh resistivity materials the conducting materials containing resistivity from 10-6 to 10-3
explain the properties of low resistivity materialslow resistivity materials the conducting materials containing resistivity from 10-8 to 10-6 ohm-m
discuss classification of conducting materials into low resistivity and high resistivity materialsconducting materials are categorized as low
what are the important requirements of a good insulating materialimportant requirements of good insulating materials-the necessity of good insulating
what is meant by doping doping semiconductors in its extremely pure form are termed as intrinsic semiconductor such intrinsic semiconductor to which
explain the steady and uniform flowsteady flow flow quantity does not change over timeuniform flow the slopes of the energy grade line s dedl the
explain chezy manning equationv 149n r067s05 r hydraulic radius ft area wetted perimeter r d4 for circular channels full and one-half
determine the hydraulic radius r for a rectangular open channel with dimensions of 6 ft wide and 4 ft high side walls flowing at a depth of 3
explain the wetted perimeterp the linear length of the interface between the fluids cross-sectional plane edges in contact with the pipe or channel
cross-sectional area of flow ft2 a for rectangular channels wd for trapezoidal channels divide the flow area into two side triangles and one center