Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When the atomic magnetic moments are randomly oriented in a solid its magnetic behavior is termed as anti-ferromagnetic. paramagnetic. poly crystalline. semi-magnetic. anti-ferromagnetic. paramagnetic. poly crystalline. semi-magnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in loud speakers. motors. all of above. generators. loud speakers. motors. all of above. generators. ANSWER DOWNLOAD EXAMIANS APP
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 Two different isotopes of an element have different numbers of neutrons. numbers of electrons. atomic number. numbers of protons. numbers of neutrons. numbers of electrons. atomic number. numbers of protons. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ________ is the most detrimental impurity in the magnetic materials Carbon. Oxygen. Nitrogen. Sulphur. Carbon. Oxygen. Nitrogen. Sulphur. ANSWER DOWNLOAD EXAMIANS APP