Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Conductor Rectifier Oscillator Amplifier Conductor Rectifier Oscillator Amplifier ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Paper Kerosene Dry air Graphite Paper Kerosene Dry air Graphite ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following cannot be used for making lenses? Glass Plastic Soil Water Glass Plastic Soil Water ANSWER DOWNLOAD EXAMIANS APP
Physics The threshold frequency is the frequency below which : Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage Photo current increases with voltage Photo electric emission is not possible Photo current is constant Photo current decreases with voltage ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Combined effect of all the above three Water expands on freezing High atmospheric pressure Contraction of water pipes Combined effect of all the above three Water expands on freezing High atmospheric pressure Contraction of water pipes ANSWER DOWNLOAD EXAMIANS APP
Physics Shaving mirror is Parabolic Plane Concave Convex Parabolic Plane Concave Convex ANSWER DOWNLOAD EXAMIANS APP