Class/Course - Medical Entrance

Subject - Physics

Chapter - AC and Electromagnetic Waves

Attention Medical Entrance standard Aspirants! Just Exam provide a platform to all students who want to make practice for various subject online. We prepare this platform on the base of CBSE. If you want to join our unlimited test series, then please write us at about your class/course

Dear User, Kindly login/register to view answer & explanation of each question.
Click here to Login/Sign Up.
Q.1 The core of a transformer is laminated because 
  energy losses due to eddy currents may be minimised
  the weight of the transformer may be reduced
  rusting of the core may be prevented
  ratio of voltage in primary and secondary may be increased