Physics If a copper wire is increased to double its length, its resistance will become Four times Double Half One–fourth Four times Double Half One–fourth ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of direct current is ________ 60 HZ Zero 50 HZ 100 HZ 60 HZ Zero 50 HZ 100 HZ ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Unchanged Depends upon the metal Increases Decreases Unchanged Depends upon the metal Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Physics Solar eclipse will take place when the earth is between the moon and the sun the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth the earth is between the moon and the sun the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the moon is between the sun and the earth ANSWER DOWNLOAD EXAMIANS APP
Physics To open a door easily, the handle should be fixed In the middle Away from mid-point opposite to hinges Near the hinges None of these In the middle Away from mid-point opposite to hinges Near the hinges None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following scientific discoveries was made by C.V. Raman? Inelastic scattering of light by molecules Super Conductivity Controlled nuclear fission Cyclotron Inelastic scattering of light by molecules Super Conductivity Controlled nuclear fission Cyclotron ANSWER DOWNLOAD EXAMIANS APP