Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Paddling the bicycle to cover a distance Driving a car to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics Which compressor is usually used in AC? Axial Centrifugal Rotary Reciprocating Axial Centrifugal Rotary Reciprocating ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Physics In an optical fibre the signal is transmitted In a curved path Due to total internal reflection Due to refraction In a straight line path In a curved path Due to total internal reflection Due to refraction In a straight line path ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole Increases First increases and than decreases Decreases No change Increases First increases and than decreases Decreases No change ANSWER DOWNLOAD EXAMIANS APP
Physics The scientist who first sent electromagnetic waves to distant places is Thomas Alva Edison John Logie Baird Heinrich Hertz James Clerk Maxwell Thomas Alva Edison John Logie Baird Heinrich Hertz James Clerk Maxwell ANSWER DOWNLOAD EXAMIANS APP