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 pair of musical instruments that works on the vibration of air in pipes is ...
Which of the following colours of surfaces will radiate heat energy best? ...
Which of the following is/are not correct about isotopes of an element? The have ...
The electric potential at point P in the diagram above can be expressed as ...
Which of the following statements is not correct about long sight? ...