Physics In a bipolar junction transistor The base has the least concentration of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The base has the least concentration of impurity The collector has the least concentration of impurity The emitter has the least concentration of impurity All the three regions (the emitter, the base and the collector) have equal concentrations of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Metal reflects radiowaves Modern vehicles use electroignition system Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Metal reflects radiowaves Modern vehicles use electroignition system Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Isobaric compression and rarefaction Adiabatic compression and rarefaction Isothermal compression and rarefaction Isochoric compression and rarefaction Isobaric compression and rarefaction Adiabatic compression and rarefaction Isothermal compression and rarefaction Isochoric compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
Physics Thermohaline circulation is mainly due to Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Warm water being added to the ocean due to industial waste Cold, dense ocean water sinking and warmer water replacing it Winds causing circulation of ocean water Warmer, less dense water sinking in the ocean and cold water replacing it Warm water being added to the ocean due to industial waste ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 200 J 0 J 400 J 100 J 200 J 0 J 400 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43884 43887 43889 43886 43884 43887 43889 43886 ANSWER DOWNLOAD EXAMIANS APP
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