Materials and Components Many compounds also exhibit semiconducting properties. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The materials which become polarized on the application of mechanical stress are called piezoelectric. False True False True 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 Matthiessen’s rule Debye rule Curie rule Onne’s rule Matthiessen’s rule Debye rule Curie rule 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, ionic and permanent Electronic only Electronic and ionic Electronic, ionic and permanent Electronic only Electronic and ionic ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Relatively poor conductors at room temperature Good conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Relatively poor conductors at room temperature Good conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature ANSWER DOWNLOAD EXAMIANS APP
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 In a direction anti parallel to magnetic field None of these In the same direction as current Normal to both current and magnetic field In a direction anti parallel to magnetic field None of these In the same direction as current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
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