Materials and Components Hall effect is observed in a specimen (metal or semi conductor) when it is carrying current and is placed in a magnetic field. The resultant electric field inside the specimen is Normal to both current and magnetic field In a direction anti parallel to magnetic field In the same direction as current None of these Normal to both current and magnetic field In a direction anti parallel to magnetic field In the same direction as current None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A vacant electronic state moves in the same direction as would a positive charge carrier. True False True False 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 Onne’s rule Curie rule Debye rule Matthiessen’s rule Onne’s rule Curie rule Debye rule Matthiessen’s rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components In a metal, the valence electrons Are shared only between neighbouring atoms Either B or C Are shared by all atoms Are not shared Are shared only between neighbouring atoms Either B or C Are shared by all atoms Are not shared ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Schrodinger wave equation is a None of these Differential equation Linear equation Partial differential equation None of these Differential equation Linear equation Partial differential equation ANSWER DOWNLOAD EXAMIANS APP
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. True False True False ANSWER DOWNLOAD EXAMIANS APP
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