Materials and Components For making a capacitor it is better to have a dielectric having Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air Permittivity which is neither high nor low High permittivity Low permittivity Permittivity same as that of air 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 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 In a direction anti parallel to magnetic field None of these Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Good conductors at room temperature Relatively poor conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Good conductors at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electric dipole moment is expressed in debye unit. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Piezoelectricity means the slight change in dimensions of a specimen when an electric field is applied. True False True False ANSWER DOWNLOAD EXAMIANS APP
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