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 Super conductors are substances that Offer minimum resistance to flow of electric current Conduct electricity at high temperature Offer high resistance to the flow of electric current Conduct electricity at low temperature Offer minimum resistance to flow of electric current Conduct electricity at high temperature Offer high resistance to the flow of electric current Conduct electricity at low temperature ANSWER DOWNLOAD EXAMIANS APP
Physics RADAR is used for: locating submerged submarines. locating geostationary satellites. receiving a signals in a radio receiver. detecting and locating the position of objects such as Aeroplanes. locating submerged submarines. locating geostationary satellites. receiving a signals in a radio receiver. detecting and locating the position of objects such as Aeroplanes. ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air Our perspiration eva-porates rapidly Conductivity of air increases Fan supplies cool air Fan cools the air ANSWER DOWNLOAD EXAMIANS APP
Physics Find the current (in A) when a charge of 500 Coulomb flows in 25 seconds. 12500 40 6250 20 12500 40 6250 20 ANSWER DOWNLOAD EXAMIANS APP
Physics What happens to a liquid, when the vapour pressure equals the atmospheric pressure? The liquid evaporates The liquid cools No change The liquid boils The liquid evaporates The liquid cools No change The liquid boils ANSWER DOWNLOAD EXAMIANS APP
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