Physics In a bipolar junction transistor The base has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity The base has the least concentration of impurity The collector has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Continue going upwards uninterrupted Reach a particular height and remain floating Burst after reaching some height Reach a particular height and start coming down Continue going upwards uninterrupted Reach a particular height and remain floating Burst after reaching some height Reach a particular height and start coming down ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is indicated by the colour of a star ? Temperature Weight Size Distance Temperature Weight Size Distance ANSWER DOWNLOAD EXAMIANS APP
Physics In the process of magnetisation of a bar The entire bulk 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 Only the surface of the bar gets magnetised The entire bulk 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 Only the surface of the bar gets magnetised ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Will decrease Will increase Varies with the increase of depth of the immersion of the iron piece Does not change Will decrease Will increase Varies with the increase of depth of the immersion of the iron piece Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics At what temperature (in Fahrenheit) pure water freezes? 32 37 48 32 37 48 ANSWER DOWNLOAD EXAMIANS APP