Physics When a piece of pure silicon is doped with aluminium, then The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase The doped silicon piece will become p-type The doped silicon piece will become n-type The conductivity of the doped silicon piece will remain the same The resistivity of the doped silicon piece will increase ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following causes adiabatic temperature changes in atmosphere? Partial absorption of solar radiation by the atmosphere Deflection and advection Latent heat of condensation Expansion and compression of the air Partial absorption of solar radiation by the atmosphere Deflection and advection Latent heat of condensation Expansion and compression of the air ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these liquids has the highest viscosity? Pineapple juice Water Syrup Milk Pineapple juice Water Syrup Milk ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Telescope Microscope Spectrometer Photometer Telescope Microscope Spectrometer Photometer ANSWER DOWNLOAD EXAMIANS APP
Physics Absolute Zero is defined as At which the volume becomes zero At which water boils at 298K The temperature at which all molecular motion ceases At which liquid Helium boils At which the volume becomes zero At which water boils at 298K The temperature at which all molecular motion ceases At which liquid Helium boils ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 8.5 A 0.41666666666667 24 A 8.5 A 0.41666666666667 24 A ANSWER DOWNLOAD EXAMIANS APP
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