Physics In a bipolar junction transistor 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 The base has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of temperature? Kelvin Celsius Fahrenheit Joule Kelvin Celsius Fahrenheit Joule ANSWER DOWNLOAD EXAMIANS APP
Physics The ''Greenhouse effect' is mainly due to increase in atmospheric Ozone Carbon dioxide Sulphur dioxide Nitrogen Ozone Carbon dioxide Sulphur dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil is more viscous Oil does not mix with water Oil is lighter than water water has a higher surface tension Oil is more viscous Oil does not mix with water Oil is lighter than water water has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Magnifying Glass is basically a Plano-concave lens Convex lens Concave lens Cylindrical lens Plano-concave lens Convex lens Concave lens Cylindrical lens ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? London theory Resonating valence bond theory Ginzburg Landau theory Quantum field theory London theory Resonating valence bond theory Ginzburg Landau theory Quantum field theory ANSWER DOWNLOAD EXAMIANS APP
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