Materials and Components The merger of hole and free electron is called Free electrons Recombination Thermal energy Covalent bonding Free electrons Recombination Thermal energy Covalent bonding 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 Normal to both current and magnetic field In the same direction as current In a direction anti parallel to magnetic field None of these Normal to both current and magnetic field In the same direction as current ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include viscosity and flash point dielectric strength and flash point flash point and viscosity dielectric strength and viscosity viscosity and flash point dielectric strength and flash point flash point and viscosity dielectric strength and viscosity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a silicon atom are 14 8 4 12 14 8 4 12 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components With increase in temperature, the electrical conductivity would Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor Increase in metals but decrease in intrinsic semiconductor Decrease in metals as well as in intrinsic semiconductor Increase in metals as well as in intrinsic semiconductor Decrease in metals but increase in intrinsic semiconductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Components When a material is in superconducting state and a magnetic field is applied The superconducting property may be destroyed The material may become an insulator The superconducting property is not affected The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The material may become an insulator The superconducting property is not affected The superconducting property may be affected and resistivity may increase from zero to a low value ANSWER DOWNLOAD EXAMIANS APP
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