Physics Positive feedback is used in Amplifiers Oscillators Rectifiers None of these Amplifiers Oscillators Rectifiers None of these ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised Only some parts of the outer layers of the bar get magnetised Only the ends of the bar get magnetised The entire bulk of the bar gets magnetised Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics In which one of the following the phenomenon of total internal reflection of light is used ? Formation of mirage Twinkling of stars Formation of rainbow Working of binoculars Formation of mirage Twinkling of stars Formation of rainbow Working of binoculars ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A load A safety device A step down device A thermopile A load A safety device A step down device A thermopile ANSWER DOWNLOAD EXAMIANS APP
Physics An electron and a proton starting from rest get accelerated through potential difference of 100 kV. The final speed of the electron and the proton are Ve and Vp respectively. Which of the following relations is correct? Ve < Vp Ve > Vp Ve = Vp Cannot be determined Ve < Vp Ve > Vp Ve = Vp Cannot be determined ANSWER DOWNLOAD EXAMIANS APP
Physics A real gas can act as an ideal gas in Low pressure and high temperature High pressure and high temperature High pressure and low temperature Low pressure and low temperature Low pressure and high temperature High pressure and high temperature High pressure and low temperature Low pressure and low temperature ANSWER DOWNLOAD EXAMIANS APP
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