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 the same direction as current None of these In a direction anti parallel to magnetic field Normal to both current and magnetic field In the same direction as current None of these In a direction anti parallel to magnetic field Normal to both current and magnetic field 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The phenomenon of dielectric hysteresis occurs with None of these DC AC Both AC and DC None of these DC AC Both AC and DC ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The number of protons in a silicon atom are 4 14 12 8 4 14 12 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having High permittivity Permittivity which is neither high nor low Low permittivity Permittivity same as that of air High permittivity Permittivity which is neither high nor low Low permittivity Permittivity same as that of air ANSWER DOWNLOAD EXAMIANS APP
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