Draw a diagram to show how a soft iron bar can be made into an electromagnet and briefly
write down the steps followed.
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Tʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴘʀᴏᴅᴜᴄᴇᴅ ᴅᴜᴇ ᴛᴏ ᴄᴜʀʀᴇɴᴛ ғʟᴏᴡɪɴɢ ɪɴ ᴀ ᴄᴏɪʟ ᴏʀ ᴀ sᴏʟᴇɴᴏɪᴅ ᴄᴀɴ ʙᴇ ᴜsᴇᴅ ᴛᴏ ᴍᴀɢɴᴇᴛɪsᴇ ᴀ ᴍᴀᴛᴇʀɪᴀʟ ʟɪᴋᴇ sᴏғᴛ ɪʀᴏɴ ᴛᴇᴍᴘᴏʀᴀʀɪʟʏ. Tʜᴇ ɪɴsᴜʟᴀᴛᴇᴅ ᴄᴏᴘᴘᴇʀ ᴡɪʀᴇ ɪs ᴡᴀʀᴘᴘᴇᴅ ᴏɴ ᴀ sᴏғᴛ ɪʀᴏɴ ᴘɪᴇᴄᴇ. Wʜᴇɴ ᴄᴜʀʀᴇɴᴛ ɪs ᴘᴀssᴇᴅ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ᴄᴏɪʟ ᴜsɪɴɢ ᴀ ʙᴀᴛᴛᴇʀʏ ᴀɴᴅ ᴀ ᴋᴇʏ ᴛʜᴇ ɪʀᴏɴ ᴘɪᴇᴄᴇ ʙᴇʜᴀᴠᴇs ʟɪᴋᴇ ᴀ ʙᴀʀ ᴍᴀɢɴᴇᴛ ᴀs ʟᴏɴɢ ᴀs ᴄᴜʀʀᴇɴᴛ ɪs ʙᴇɪɴɢ ᴘᴀssᴇᴅ. Sᴜᴄʜ ᴀ ᴍᴀɢɴᴇᴛ ɪs ᴄᴀʟʟᴇᴅ ᴀɴ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛ.
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