Physics A device used for converting a.c. into d.c. is called Dynamo Induction coil Transformer Rectifier Dynamo Induction coil Transformer Rectifier ANSWER DOWNLOAD EXAMIANS APP
Physics In radio-communication, the signals emitted by transmitting antenna are reflected on Ionosphere Troposphere Stratosphere Ozonosphere Ionosphere Troposphere Stratosphere Ozonosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 40J 200J 20 J 400J 40J 200J 20 J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics Global warming is expected to result in Change in crop pattern Change in coast line All of these Increase in level of sea Change in crop pattern Change in coast line All of these Increase in level of sea ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is an ohmic conductor? Silicon Silver Germanium Carbon Silicon Silver Germanium Carbon ANSWER DOWNLOAD EXAMIANS APP
Physics If an ordinary glass tube and a glass capillary tube are both dipped in a beaker of water, water rises in Only the capillary tube Only the glass tube Neither Both Only the capillary tube Only the glass tube Neither Both ANSWER DOWNLOAD EXAMIANS APP