Materials and Components When a dielectric material is subjected to alternating field, the absorption of energy by the material from the field is given by the imaginary part of polarizability. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Wood is a diamagnetic material. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In solid insulator materials having only one kind of atom, the types of polarization which exist are Electronic and ionic Electronic only Electronic, ionic and permanent Electronic and ionic Electronic only Electronic, ionic and permanent ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as Debye rule Onne’s rule Curie rule Matthiessen’s rule Debye rule Onne’s rule Curie rule Matthiessen’s rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The resistance of a photoconductor May increase or decrease with increase in light intensity Decreases with increase in light intensity Increases with increase in light intensity Remains constant May increase or decrease with increase in light intensity Decreases with increase in light intensity Increases with increase in light intensity Remains constant ANSWER DOWNLOAD EXAMIANS APP
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