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 dielectric losses do not depend on frequency. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A leakage capacitor can be represented by a capacitance C and resistance R in parallel C. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with DC AC Both AC and DC None of these DC AC Both AC and DC None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Ferromagnetic at room temperature Good conductors at room temperature Insulators at room temperature Relatively poor conductors at room temperature Ferromagnetic at room temperature Good conductors at room temperature Insulators at room temperature Relatively poor conductors 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 Normal to both current and magnetic field None of these In the same direction as current In a direction anti parallel to magnetic field Normal to both current and magnetic field None of these In the same direction as current In a direction anti parallel to magnetic field ANSWER DOWNLOAD EXAMIANS APP