Physics If a copper wire is increased to double its length, its resistance will become Four times Double One–fourth Half Four times Double One–fourth Half ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : With the speed of light In all directions In a straight line Heating the medium through which it passes With the speed of light In all directions In a straight line Heating the medium through which it passes ANSWER DOWNLOAD EXAMIANS APP
Physics Why does ice covered in sawdust not melt quickly ? Sawdust is good conductor of heat Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice Sawdust is good conductor of heat Sawdust is a bad conductor of heat The water is absorbed by sawdust Sawdust does not allow the air to touch the ice ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example for cantilever beam? See-saw Common balance Bridge Diving board See-saw Common balance Bridge Diving board ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It takes equal time for revolution around the earth and rotation on its own axis It rotates at the same speed as the earth around the sun It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth It takes equal time for revolution around the earth and rotation on its own axis It rotates at the same speed as the earth around the sun It revolves on its axis in adirection opposite to that ofthe earth It is smaller than the earth ANSWER DOWNLOAD EXAMIANS APP
Physics The device used to change the speed of an electric fan is Amplifier Rectifier Switch Regulator Amplifier Rectifier Switch Regulator ANSWER DOWNLOAD EXAMIANS APP
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