Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Insulator Metallic-conductor Super-conductor Semi-conductor Insulator Metallic-conductor Super-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The audio signals of TV are Unmodulated Amplitude modulated Velocity modulated Frequency modulated Unmodulated Amplitude modulated Velocity modulated Frequency modulated ANSWER DOWNLOAD EXAMIANS APP
Physics A small drop of oil spreads over water because : Water has a higher viscosity Water has a higher surface tension Oil has a higher viscosity Oil has a higher surface tension Water has a higher viscosity Water has a higher surface tension Oil has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics The impurity atoms with which silicon should be doped to make p-type semiconductors are Phosphorus Germanium Boron Antimony Phosphorus Germanium Boron Antimony ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbow is due to diffusion of sunlight through water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets diffusion of sunlight through water droplets ionisation of water deposits refraction and reflection of sunlight by water droplets absorption of sunlight in minute water droplets ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following principle is used to produce ''low-temperatures' ? Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect Super conductivity Thermo-electric effect Adiabatic demagnetisation Joule-Kelvin effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS