what happen to the needle of a compass kept nearby when electric current is switched on a wire?Why does this happen?
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- You have to follow everyone then everyone will follow you
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ᴡʜᴇɴ ᴀ ᴄᴜʀʀᴇɴᴛ ɪs sᴡɪᴛᴄʜᴇᴅ ᴏɴ ᴛʜʀᴏᴜɢʜ ᴀ ᴡɪʀᴇ, ᴛʜᴇ ᴡɪʀᴇ sᴛᴀʀᴛs ʙᴇʜᴀᴠɪɴɢ ᴀs ᴀ ᴍᴀɢɴᴇᴛ. ʜᴇɴᴄᴇ, ᴡʜᴇɴ ᴀ ᴄᴏᴍᴘᴀss ɴᴇᴇᴅʟᴇ ɪs ᴘʟᴀᴄᴇᴅ ɴᴇᴀʀ ᴛʜᴇ ɢɪᴠᴇɴ ᴄᴜʀʀᴇɴᴛ ᴄᴀʀʀʏɪɴɢ ᴡɪʀᴇ, ɪᴛ ɢᴇᴛs ɪɴғʟᴜᴇɴᴄᴇᴅ ʙʏ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ᴇғғᴇᴄᴛ ᴏғ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ ᴀɴᴅ ɢᴇᴛs ᴅᴇғʟᴇᴄᴛᴇᴅ ғʀᴏᴍ ɪᴛs ɴᴏʀᴛʜ- sᴏᴜᴛʜ ᴘᴏsɪᴛɪᴏɴ.
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