Physics In a bipolar junction transistor The base has the least concentration of impurity The emitter 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 base has the least concentration of impurity The emitter 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Decibel is a term connected with : Water Air Soil Sound Water Air Soil Sound ANSWER DOWNLOAD EXAMIANS APP
Physics If a body moves with a constant speed in a circle No work is done on it No force acts on it Its velocity remains constant No acceleration is produced in it No work is done on it No force acts on it Its velocity remains constant No acceleration is produced in it ANSWER DOWNLOAD EXAMIANS APP
Physics Find the maximum velocity for the overturn of a car moving on a circular track of radius 100 m. The co-efficient of friction between the road and tyre is 0.2 1.4 km/s 14 m/s 140 m/s 0.14 m/s 1.4 km/s 14 m/s 140 m/s 0.14 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Iron, air and water Iron, water and air Water, iron and air Air, water and iron Iron, air and water Iron, water and air Water, iron and air Air, water and iron ANSWER DOWNLOAD EXAMIANS APP
Physics It is dangerous to observe Solar eclipse with naked eyes because Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina Cosmic rays reach eyes more during the eclipse Infrared radiations from sun burn our retina All radiations from sun initiate chemical reactions in eyes Ultraviolet radiations from Sun burn our retina ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS