Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper None of these Potassium niobate Lead zirconate titanate Copper None of these Potassium niobate ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Magnetic recording tape is most commonly made from small particles of iron. silicon-iron. iron-dust. ferric-oxide. small particles of iron. silicon-iron. iron-dust. ferric-oxide. 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 semi-magnetic. poly crystalline. anti-ferromagnetic. paramagnetic. semi-magnetic. poly crystalline. anti-ferromagnetic. paramagnetic. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The temperature beyond which substances lose their ferroelectric properties, is known as critical temperature. conversion temperature. curie temperature. inversion temperature. critical temperature. conversion temperature. curie temperature. inversion temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What are insulating materials that can tolerate maximum temperature? Glass. All of these. Mica. Porcelain. Glass. All of these. Mica. Porcelain. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. moving faster or slower in an allowed orbit. jumping from one allowed orbit to another. being completely removed from an atom. jumping from one atom to another atom. ANSWER DOWNLOAD EXAMIANS APP
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