Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and decreases noise Decreases bandwidth and increases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Zinc chloride Borax Ammonium chloride Resin plus alcohol Zinc chloride Borax Ammonium chloride Resin plus alcohol ANSWER DOWNLOAD EXAMIANS APP
Physics Which measurement depends on gravitational force? Weight Height Mass All of these Weight Height Mass All of these ANSWER DOWNLOAD EXAMIANS APP
Physics A star appears twinkling in the sky because of Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere Refraction of light by atmosphere Diffraction of light by atmosphere Reflection of light by atmosphere Scattering of light by atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics According to the quantum theory of light, the energy of light is carried in discrete units are called Photoelectrons Electrons Protons Photons Photoelectrons Electrons Protons Photons ANSWER DOWNLOAD EXAMIANS APP