sorry i don't know gujarati language i can't you but next time i surely you.
i want best friend i am going to follow u follow back me r u also want that u want that i m ur best friend
answer:an electromagnet is a magnet that runs on electricity. unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. an electromagnet works because an electric current produces a magnetic field.