Materials and Components The number of protons in a copper atom are 29 9 11 2 29 9 11 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Which inductor is used at high frequencies? Sheet steel cored Iron alloy cored Cast iron cored Ceramic cored Sheet steel cored Iron alloy cored Cast iron cored Ceramic cored ANSWER DOWNLOAD EXAMIANS APP
Materials and Components On the basis of the type of chemical bonds, solids may be classified into Ionic and valence crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals Ionic and valence crystals Ionic crystals Ionic crystal, valence crystals and metals Ionic crystals, valence crystals, metal and vander wall crystals 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 None of these In a direction anti parallel to magnetic field In the same direction as current Normal to both current and magnetic field None of these In a direction anti parallel to magnetic field In the same direction as current Normal to both current and magnetic field ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having High permittivity Permittivity same as that of air Low permittivity Permittivity which is neither high nor low High permittivity Permittivity same as that of air Low permittivity Permittivity which is neither high nor low 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 affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected The material may become an insulator The superconducting property may be affected and resistivity may increase from zero to a low value The superconducting property may be destroyed The superconducting property is not affected The material may become an insulator ANSWER DOWNLOAD EXAMIANS APP
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