Engineering Materials in EE In order to minimise loss due to hysteresis, the magnetic material should have low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. low hysteresis coefficient. large B-H loop area. high resistivity. high retentivity. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The magnetisation and applied field in ferromagnetic materials are related non linearly. sinusoidally. linearly. parabolically. non linearly. sinusoidally. linearly. parabolically. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is pure iron. lead. aluminium. copper. pure iron. lead. aluminium. copper. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ferroelectric materials. hard die-electrics. elastomers. super die-electrics. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons and protons. electrons. protons and neutrons. protons. electrons and protons. electrons. protons and neutrons. protons. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS