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What is piezoelectricity?
Piezoelectricity: Piezoelectricity gives us a means of changing electrical energy to suppose new geometric positions and the mechanical dimensions of the substance are changed. This phenomenon is known as electrostriction. The reverse effect i.e. production of polarization by the application of mechanical stresses can take place only if the lattice has no center of symmetry, this phenomenon is called as piezoelectricity. Example - Rochelle salt, Quartz, Barium titante.
Draw the B-H curve for a ferro-magnetic material and identify the retentivity and the coercive field on the curve. B-H curve for a ferromagnetic material is drawn a
Explain Antiferromagnetic materials Antiferromagnetic materials are the materials in which almost every magnetic dipole is linked up ant parallel to each other. Its susceptib
numericals based on kohlrausch law
#question.WHAT IS STEAM GENERATION AT CONSTATNT PRESSURE .
Consider a Carnot heat engine operating with steam as the working uid, among reservoirs at TL = 200C and TH = 500C. Do the following, using the steam tables: 1) Draw the cycl
how do i stop flaring of iron and steel emission
The over all diffinition of stripping
A sample of water is found to contain , Temporary Mg hardness = 20mg/L,Calcium Sulphate =20 mg/L. Calculate Temporary and Pemanent hardness in water.
What is tie-line rule? The tie-line rule is applied to verify the compositions of two co-existing phases in a binary phase diagram. The tie line is a horizontal line drawn at t
In what important respect does the conductivity of a conductor differ from that of an intrinsic Semiconductor. It is well known that the conductivity of a conductor i
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