The material used for constructing the core of an electro...
The material used for constructing the core of an electromagnet is
iron
carbon
copper
steel
Correct answer is A
No explanation has been provided for this answer.
The eclipse of the moon occurs when? ...
The direction of the magnetic field at a point in the vicinity of a bar magnet is ...
Which of the following statements is correct about volatile liquids? They have ...
The vacuum in a thermos flask helps to reduce heat transfer by? ...
Which of the following is NOT an example of elementary modern physics? ...