Engineering Materials in EE Positive magnetostriction exists when dipoles are attract each other. both are correct. dipoles are repel other. none of above. dipoles are attract each other. both are correct. dipoles are repel other. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of the following is the example for piezo-electric material ? Lead zirconate titanate Copper Potassium niobate None of these Lead zirconate titanate Copper Potassium niobate None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permanent magnets are used in loud speakers. all of above. generators. motors. loud speakers. all of above. generators. motors. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 100. 200. 1 to 2. 3 to 8. 100. 200. 1 to 2. 3 to 8. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE According to the Bohr model, an electron gains or losses energy only by jumping from one atom to another atom. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one allowed orbit to another. jumping from one atom to another atom. moving faster or slower in an allowed orbit. being completely removed from an atom. jumping from one allowed orbit to another. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials which lack permanent magnetic dipoles are called semi-magnetic. dia-magnetic. None of these ferro-magnectic. semi-magnetic. dia-magnetic. None of these ferro-magnectic. ANSWER DOWNLOAD EXAMIANS APP
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