Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related parabolically. sinusoidally. non linearly. linearly. parabolically. sinusoidally. non linearly. linearly. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from iron-dust. silicon-iron. small particles of iron. ferric-oxide. iron-dust. silicon-iron. small particles of iron. ferric-oxide. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. copper. aluminium. lead. pure iron. copper. aluminium. lead. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. large B-H loop area. low hysteresis coefficient. high retentivity. high resistivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Why diamond is very hard ? None of these Because of high melting point Because of covalent solid Because of large cohesive energy None of these Because of high melting point Because of covalent solid Because of large cohesive energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the ferroelectric material ? Potassium dihydrogen phosphate. Rochelle salt. Barium titanate. All of these Potassium dihydrogen phosphate. Rochelle salt. Barium titanate. All of these ANSWER DOWNLOAD EXAMIANS APP
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