Physics Transformer is a device to convert Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. C. to A.C. Low voltage D.C. into high voltage D.C. Mechanical energy into Electrical energy Low voltage A.C. into high voltage A.C. C. to A.C. ANSWER DOWNLOAD EXAMIANS APP
Physics Stars in the sky appear to twinkle due to Multiple diminishing brightness A series of refractions A surface tension phenomenon A series of reflections Multiple diminishing brightness A series of refractions A surface tension phenomenon A series of reflections ANSWER DOWNLOAD EXAMIANS APP
Physics The component used for tuning a radio is basically a variable Transformer Resisto Condenser Inductor Transformer Resisto Condenser Inductor ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because The body is earthed It has high resistance It does not form a closed path for the flow of current Its feet are good insulators The body is earthed It has high resistance It does not form a closed path for the flow of current Its feet are good insulators ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre? 3.75 diopters -3.75 diopters -11.25 diopters 11.25 diopters 3.75 diopters -3.75 diopters -11.25 diopters 11.25 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics The reason for a swimming pool to appear less deep than the actual depth is Refraction Light scattering Interference Reflection Refraction Light scattering Interference Reflection ANSWER DOWNLOAD EXAMIANS APP