Engineering Materials in EE What is the value of dielectric constant of air? 1. none of these. 0. Less than 1 1. none of these. 0. Less than 1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which of following material has least value of dielectric constant? Ceramics. Glass. Paper. Oil. Ceramics. Glass. Paper. Oil. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Which statement is not true of ferromagnetic materials. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. They have large magnetic susceptibility. Energy loss is proportional to the area of hysteresis loop. They lose their nonlinearly property above the Curie temperature. They have fixed value of μr. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Indicate which of following material does not retain magnetism permanently soft iron. hardness steel. stainless steel. none of above. soft iron. hardness steel. stainless steel. none of above. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE ALNICO is an alloy of aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. aluminium, nickel. iron, cobalt, nickel. iron, aluminium. aluminium, nickel, iron and cobalt. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE When a ferromagnetic substance is magnetized small changes in dimensions occur. Such a phenomenon is known as magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. magnetic hysteresis. magneto-calorisation. magnetostriction. magnetic expansion. ANSWER DOWNLOAD EXAMIANS APP
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