Engineering Materials in EE The number of rings in the Bohr model of any element is determined by what? Atomic number. Row number on periodic table. Column number on periodic table. Atomic mass. Atomic number. Row number on periodic table. Column number on periodic table. Atomic mass. 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. intensity of electric field. frequency of applied voltage. presence of magnetic materials in the vicinity. area of hysteresis loop for the material. intensity of electric field. frequency of applied voltage. presence of magnetic materials in the vicinity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in all of above. loud speakers. motors. generators. all of above. loud speakers. motors. generators. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. high resistivity. large B-H loop area. high retentivity. low hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Glass. Mica. Porcelain. All of these. Glass. Mica. Porcelain. All of these. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
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