Engineering Materials in EE Which of the following is the example for piezo-electric material ? Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. aluminium. copper. lead. pure iron. aluminium. copper. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Substance having permeability less than the permeability of free space, are known as paramagnetic. diamagnetic. ferromagnetic. bipolar. paramagnetic. diamagnetic. ferromagnetic. bipolar. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE A degaussing is the process of remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. removal of magnetic impurities. remagnetising metallic parts. demagnetising metallic parts. removing gases from materials. removal of magnetic impurities. 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. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. area of hysteresis loop for the material. frequency of applied voltage. presence of magnetic materials in the vicinity. intensity of electric field. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related sinusoidally. parabolically. linearly. non linearly. sinusoidally. parabolically. linearly. non linearly. ANSWER DOWNLOAD EXAMIANS APP
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