Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Glass. Ceramics. Paper. Oil. Glass. Ceramics. Paper. Oil. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE What is the dielectric constant of mica ? 3 to 8. 200. 1 to 2. 100. 3 to 8. 200. 1 to 2. 100. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently none of above. hardness steel. stainless steel. soft iron. none of above. hardness steel. stainless steel. soft iron. 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 What is the value of dielectric constant of air? Less than 1 0. 1. none of these. Less than 1 0. 1. none of these. ANSWER DOWNLOAD EXAMIANS APP
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