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 Debye temperature of metals is About 2 K About 10 K About 200 K About 600 K About 2 K About 10 K About 200 K About 600 K 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 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 Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include dielectric strength and flash point dielectric strength and viscosity flash point and viscosity viscosity and flash point dielectric strength and flash point dielectric strength and viscosity flash point and viscosity viscosity and flash point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a silicon atom are 12 14 4 8 12 14 4 8 ANSWER DOWNLOAD EXAMIANS APP
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