Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life increase its electrical conductivity enable it to withstand higher voltages increase its electrical resistivity increase its life ANSWER DOWNLOAD EXAMIANS APP
Physics Remote-sensing device has an inbuilt source of X-ray Infrared ray G-ray Ultraviolet ray X-ray Infrared ray G-ray Ultraviolet ray ANSWER DOWNLOAD EXAMIANS APP
Physics If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by 4 times 16 times 8 times 2 times 4 times 16 times 8 times 2 times ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays G-rays The ultraviolet rays The infra-red rays X-rays G-rays The ultraviolet rays The infra-red rays ANSWER DOWNLOAD EXAMIANS APP
Physics In beta decay what is emitted Neutron All of these Electron Proton Neutron All of these Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Physics Rectifiers are used to convert: High voltage to low voltage Alternating current to Direct current Direct current to Alternating current Low voltage to high voltage High voltage to low voltage Alternating current to Direct current Direct current to Alternating current Low voltage to high voltage ANSWER DOWNLOAD EXAMIANS APP
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