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 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The Capacity of a communication channel is measured in Band rate Bit capacity Band width Data flow Band rate Bit capacity Band width Data flow ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity Adiabatic demagnetisation Thermo-electric effect Joule-Kelvin effect Super conductivity ANSWER DOWNLOAD EXAMIANS APP
Physics What is the phenomenon which established the transverse nature of light ? Reflection Polarisation Diffraction Interference Reflection Polarisation Diffraction Interference ANSWER DOWNLOAD EXAMIANS APP
Physics When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion? Energy Acceleration Velocity Displacement Energy Acceleration Velocity Displacement ANSWER DOWNLOAD EXAMIANS APP
Physics Middle latitude cyclones are fueled by? All of these Energy from falling precipitation Air high in the atmosphere Polar continental air masses All of these Energy from falling precipitation Air high in the atmosphere Polar continental air masses ANSWER DOWNLOAD EXAMIANS APP