Physics In a bipolar junction transistor 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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics 'Mirage' is an example of Refraction of light only Dispersion of light only Total internal reflection of light only Refraction and total internal reflection of light Refraction of light only Dispersion of light only Total internal reflection of light only Refraction and total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases Decreases Increases No change First increases and than decreases Decreases Increases No change ANSWER DOWNLOAD EXAMIANS APP
Physics At constant pressure, the volume of a fixed mass of a gas is directly proportional to its absolute temperature. It is the statement of Boyle's Law Gay-Lussac's Law Charle's Law Avogadro's Law Boyle's Law Gay-Lussac's Law Charle's Law Avogadro's Law ANSWER DOWNLOAD EXAMIANS APP
Physics For every action, there is an equal and opposite reaction, is Newton's Fourth law Third law First law Second law Fourth law Third law First law Second law ANSWER DOWNLOAD EXAMIANS APP
Physics Where do the electrical charges reside in a charged conductor? Outer surface of the body Depended upon the nature of the body Throughout the body At the core Outer surface of the body Depended upon the nature of the body Throughout the body At the core ANSWER DOWNLOAD EXAMIANS APP