Physics In a Carnot engine when heat is taken from the source, its temperature Decreases and then remains constant Decreases Increases Remains constant Decreases and then remains constant Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Alternate current Direct current Induced current Actual current Alternate current Direct current Induced current Actual current ANSWER DOWNLOAD EXAMIANS APP
Physics What device converts light energy to electrical energy? Heliostats Thermocouple Photovoltaic cell Photodiode Heliostats Thermocouple Photovoltaic cell Photodiode ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Blue Grey Black White Blue Grey Black White ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics Sending a frame to a group of stations is known as Casting Spreading Single casting Multicasting Casting Spreading Single casting Multicasting ANSWER DOWNLOAD EXAMIANS APP