Engineering Materials in EE In Bohr’s model of atomic structure, the nucleus consists of electrons. protons and neutrons. electrons and protons. protons. electrons. protons and neutrons. electrons and protons. protons. 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. magnetic expansion. magnetostriction. magnetic hysteresis. magneto-calorisation. magnetic expansion. magnetostriction. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Permittivity of free space is equal to 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 11 F / m. 8.854 × 10 - 10 F / m. 8.854 × 10 - 12 F / m. 8.854 × 10 - 13 F / m. 8.854 × 10 - 11 F / m. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE Materials having a high dielectric constant, which is non-linear, are known as hard die-electrics. super die-electrics. ferroelectric materials. elastomers. hard die-electrics. super die-electrics. ferroelectric materials. elastomers. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE In electrical machines the material preferred for pole shoes of electromagnets is lead. pure iron. copper. aluminium. lead. pure iron. copper. aluminium. ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials in EE The permeability of iron can be increased by reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. reducing carbon percentage. purifying it. increasing carbon percentage. alloying with cobalt. ANSWER DOWNLOAD EXAMIANS APP
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