Question

what is electromagnet​

Answer 1

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Electromagnets are made out of a coil of wire .This is more effective in producing a magnetic field than just a wire running straight. This effect can be strengthened by winding a wire tightly around a powerful core, made of magnetic material, such as iron.

Properties of Magnet:-

Attractive Property –

Ferromagnetic materials like iron, nickel and cobalt are attracted by magnets

Repulsive Property –

Like poles repel each other while unlike poles attract each other

Directive Property –

A freely suspended magnet always points in the north-south direction

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Answer 2

Answer:

ᴀɴ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛ ɪs ᴀ ᴛʏᴘᴇ ᴏғ ᴍᴀɢɴᴇᴛ ɪɴ ᴡʜɪᴄʜ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ɪs ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴀɴ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ. ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛs ᴜsᴜᴀʟʟʏ ᴄᴏɴsɪsᴛ ᴏғ ᴡɪʀᴇ ᴡᴏᴜɴᴅ ɪɴᴛᴏ ᴀ ᴄᴏɪʟ. ᴀ ᴄᴜʀʀᴇɴᴛ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴡɪʀᴇ ᴄʀᴇᴀᴛᴇs ᴀ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴡʜɪᴄʜ ɪs ᴄᴏɴᴄᴇɴᴛʀᴀᴛᴇᴅ ɪɴ ᴛʜᴇ ʜᴏʟᴇ, ᴅᴇɴᴏᴛɪɴɢ ᴛʜᴇ ᴄᴇɴᴛᴇʀ ᴏғ ᴛʜᴇ ᴄᴏɪʟ. ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴅɪsᴀᴘᴘᴇᴀʀs ᴡʜᴇɴ ᴛʜᴇ ᴄᴜʀʀᴇɴᴛ ɪs ᴛᴜʀɴᴇᴅ ᴏғғ. ᴛʜᴇ ᴡɪʀᴇ ᴛᴜʀɴs ᴀʀᴇ ᴏғᴛᴇɴ ᴡᴏᴜɴᴅ ᴀʀᴏᴜɴᴅ ᴀ ᴍᴀɢɴᴇᴛɪᴄ ᴄᴏʀᴇ ᴍᴀᴅᴇ ғʀᴏᴍ ᴀ ғᴇʀʀᴏᴍᴀɢɴᴇᴛɪᴄ ᴏʀ ғᴇʀʀɪᴍᴀɢɴᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟ sᴜᴄʜ ᴀs ɪʀᴏɴ; ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ᴄᴏʀᴇ ᴄᴏɴᴄᴇɴᴛʀᴀᴛᴇs ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғʟᴜx ᴀɴᴅ ᴍᴀᴋᴇs ᴀ ᴍᴏʀᴇ ᴘᴏᴡᴇʀғᴜʟ ᴍᴀɢɴᴇᴛ.

ᴛʜᴇ ᴍᴀɪɴ ᴀᴅᴠᴀɴᴛᴀɢᴇ ᴏғ ᴀɴ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛ ᴏᴠᴇʀ ᴀ ᴘᴇʀᴍᴀɴᴇɴᴛ ᴍᴀɢɴᴇᴛ ɪs ᴛʜᴀᴛ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴄᴀɴ ʙᴇ ǫᴜɪᴄᴋʟʏ ᴄʜᴀɴɢᴇᴅ ʙʏ ᴄᴏɴᴛʀᴏʟʟɪɴɢ ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏғ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ ɪɴ ᴛʜᴇ ᴡɪɴᴅɪɴɢ. ʜᴏᴡᴇᴠᴇʀ, ᴜɴʟɪᴋᴇ ᴀ ᴘᴇʀᴍᴀɴᴇɴᴛ ᴍᴀɢɴᴇᴛ ᴛʜᴀᴛ ɴᴇᴇᴅs ɴᴏ ᴘᴏᴡᴇʀ, ᴀɴ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛ ʀᴇǫᴜɪʀᴇs ᴀ ᴄᴏɴᴛɪɴᴜᴏᴜs sᴜᴘᴘʟʏ ᴏғ ᴄᴜʀʀᴇɴᴛ ᴛᴏ ᴍᴀɪɴᴛᴀɪɴ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ.

ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛs ᴀʀᴇ ᴡɪᴅᴇʟʏ ᴜsᴇᴅ ᴀs ᴄᴏᴍᴘᴏɴᴇɴᴛs ᴏғ ᴏᴛʜᴇʀ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴅᴇᴠɪᴄᴇs, sᴜᴄʜ ᴀs ᴍᴏᴛᴏʀs, ɢᴇɴᴇʀᴀᴛᴏʀs, ᴇʟᴇᴄᴛʀᴏᴍᴇᴄʜᴀɴɪᴄᴀʟ sᴏʟᴇɴᴏɪᴅs, ʀᴇʟᴀʏs, ʟᴏᴜᴅsᴘᴇᴀᴋᴇʀs, ʜᴀʀᴅ ᴅɪsᴋs, ᴍʀɪ ᴍᴀᴄʜɪɴᴇs, sᴄɪᴇɴᴛɪғɪᴄ ɪɴsᴛʀᴜᴍᴇɴᴛs, ᴀɴᴅ ᴍᴀɢɴᴇᴛɪᴄ sᴇᴘᴀʀᴀᴛɪᴏɴ ᴇǫᴜɪᴘᴍᴇɴᴛ. ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛs ᴀʀᴇ ᴀʟsᴏ ᴇᴍᴘʟᴏʏᴇᴅ ɪɴ ɪɴᴅᴜsᴛʀʏ ғᴏʀ ᴘɪᴄᴋɪɴɢ ᴜᴘ ᴀɴᴅ ᴍᴏᴠɪɴɢ ʜᴇᴀᴠʏ ɪʀᴏɴ ᴏʙᴊᴇᴄᴛs sᴜᴄʜ ᴀs sᴄʀᴀᴘ ɪʀᴏɴ ᴀɴᴅ sᴛᴇᴇʟ.