Physics In a bipolar junction transistor 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 collector has the least concentration of impurity The base 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 collector has the least concentration of impurity The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Vacuum Metal Air Water Vacuum Metal Air Water ANSWER DOWNLOAD EXAMIANS APP
Physics A galvanometer can be converted to a voltmeter by connecting A low resistance in series A low resistance in parallel A high resistance in series A high resistance in parallel A low resistance in series A low resistance in parallel A high resistance in series A high resistance in parallel ANSWER DOWNLOAD EXAMIANS APP
Physics The reverse effect of X–ray emission is Zeeman effect Raman effect Compton effect Photoelectric Zeeman effect Raman effect Compton effect Photoelectric ANSWER DOWNLOAD EXAMIANS APP
Physics What is the escape velocity of the rocket in the earth? 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec 12.2 km/sec 10.2 km/sec 13.2 km/sec 11.2 km/sec ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
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