As per temperature limits, the number of categories of solid dielectrics are

More Questions from Materials and Components

• If the radius of electron cloud around the nucleus of a rare gas atom is R, the electronic polarizability of the atom is porportional to
• If Bmax is the maximum flux density, hysteresis loss is proportional to
• Many compounds also exhibit semiconducting properties.
• An atom of a rare gas is placed is an electric field E. Then
• Assertion (A): A capacitor with imperfect dielectric can be represented by a capacitance in parallel with resistance. Reason (R): For imperfect dielectrics, dielectric constant has real and imaginary parts.
• In a metal, the valence electrons
• The dielectric losses do not depend on frequency.
• The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as
• If m is the mass of electron cloud, the equation of motion of electron cloud in the presence of an alternating electric field is of the form
• Magnetisation of a material is the magnetic dipole moment per m3.

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