Materials and Components Many compounds also exhibit semiconducting properties. False True False True ANSWER DOWNLOAD EXAMIANS APP
Materials and Components For making a capacitor it is better to have a dielectric having Permittivity same as that of air Permittivity which is neither high nor low Low permittivity High permittivity Permittivity same as that of air Permittivity which is neither high nor low Low permittivity High permittivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The most important set of specifications of transformer oil include viscosity and flash point flash point and viscosity dielectric strength and viscosity dielectric strength and flash point viscosity and flash point flash point and viscosity dielectric strength and viscosity dielectric strength and flash point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The rule that resistivity of conductors can be separated into two parts viz. temperature independent and temperature dependent is known as Curie rule Debye rule Matthiessen’s rule Onne’s rule Curie rule Debye rule Matthiessen’s rule Onne’s rule ANSWER DOWNLOAD EXAMIANS APP
Materials and Components Electrical contact materials used in switches, brushes, relay must possess High thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point High thermal conductivity and high melting point High thermal conductivity and low melting point Low thermal conductivity and low melting pointL Low thermal conductivity and high melting point ANSWER DOWNLOAD EXAMIANS APP
Materials and Components The elements which become superconducting at extremely low temperatures are Ferromagnetic at room temperature Relatively poor conductors at room temperature Good conductors at room temperature Insulators at room temperature Ferromagnetic at room temperature Relatively poor conductors at room temperature Good conductors at room temperature Insulators at room temperature ANSWER DOWNLOAD EXAMIANS APP
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