Physics Which among the following waves is used for communication by artificial satellites ? Radio waves M. Frequency of 1016 series Micro waves Radio waves M. Frequency of 1016 series Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature which has the same reading on both Fahrenheit and Celsius scales is –40° 0° 40° 32° –40° 0° 40° 32° ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of G-ray Infrared ray Ultraviolet ray X-ray G-ray Infrared ray Ultraviolet ray X-ray ANSWER DOWNLOAD EXAMIANS APP
Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type The doped silicon piece will become n-type The resistivity of the doped silicon piece will increase The conductivity of the doped silicon piece will remain the same The doped silicon piece will become p-type ANSWER DOWNLOAD EXAMIANS APP
Physics Which physical quantity is measured in 'siemens'? Electrical conductance Electric potential Magnetic flux Refractive index Electrical conductance Electric potential Magnetic flux Refractive index ANSWER DOWNLOAD EXAMIANS APP
Physics In a bipolar junction transistor 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 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
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