Physics In a bipolar junction transistor All the three regions (the emitter, the base and the collector) have equal concentrations of impurity The collector has the least concentration of impurity The base 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 collector has the least concentration of impurity The base has the least concentration of impurity The emitter has the least concentration of impurity ANSWER DOWNLOAD EXAMIANS APP
Physics When a bottle of scent is kept open in a corner of a room its odour is felt in all parts of the room. This is due to the phenomenon of : Sublimation Evaporation Vaporisation Diffusion Sublimation Evaporation Vaporisation Diffusion ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Decibel Hertz Sone Phon Decibel Hertz Sone Phon ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of Planck's constant is Js–2 Js2 J/s Js Js–2 Js2 J/s Js ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it touches the ground Just before it touches the ground When it is just on the half-way Just after it is dropped When it touches the ground Just before it touches the ground When it is just on the half-way Just after it is dropped ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a feature of Indifference Curve? They are concave to each other They do not intersect each other They slope downwards to the right They are parallel to each other They are concave to each other They do not intersect each other They slope downwards to the right They are parallel to each other ANSWER DOWNLOAD EXAMIANS APP