Engineering Materials in EE Permanent magnets are used in motors. loud speakers. generators. all of above. motors. loud speakers. generators. all of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The dielectric strength of ferroelectric materials depends to a large extent on area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. area of hysteresis loop for the material. presence of magnetic materials in the vicinity. frequency of applied voltage. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Copper None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The Bohr model of the atom could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. All of these could not explain the line spectrum of atoms larger than hydrogen. explained the color lines in the hydrogen spectrum. had some made-up rules without explanations. All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Choose the best suitable of Diamagnetic : Paramagnetic:: Iron : Steel. Permalloy : Super-alloy. Water : Air. Nickel : Cobalt. Iron : Steel. Permalloy : Super-alloy. Water : Air. Nickel : Cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. demagnetising metallic parts. removal of magnetic impurities. removing gases from materials. remagnetising metallic parts. ANSWER DOWNLOAD EXAMIANS APP
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