Physics Positive feedback is used in Oscillators None of these Amplifiers Rectifiers Oscillators None of these Amplifiers Rectifiers ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Switch Rectifier Regulator Amplifier Switch Rectifier Regulator Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Solar cells work on the principle of Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect Photovoltaic effect Photosynthesis Photoelectric effect Photoconductive effect ANSWER DOWNLOAD EXAMIANS APP
Physics The flux commonly used in brazing is Borax Ammonium chloride Resin plus alcohol Zinc chloride Borax Ammonium chloride Resin plus alcohol Zinc chloride ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these waves can be polarized ? Light waves Longitudinal waves on a string Transverse waves on a string Sound waves in air Light waves Longitudinal waves on a string Transverse waves on a string Sound waves in air ANSWER DOWNLOAD EXAMIANS APP
Physics Blotting paper absorbs ink due to Siphon action Capillary action phenomenon Diffusion of ink through the blotting Viscosity of ink Siphon action Capillary action phenomenon Diffusion of ink through the blotting Viscosity of ink ANSWER DOWNLOAD EXAMIANS APP
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