Materials and Components Which inductor is used at high frequencies? Iron alloy cored Sheet steel cored Cast iron cored Ceramic cored Iron alloy cored Sheet steel cored Cast iron cored Ceramic cored 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 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Nickel is a non-magnetic material. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components A characteristic property of crystal is its periodicity of structure. True False True False ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point High thermal conductivity and high melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and low melting point High thermal conductivity and high melting point 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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