1.
List the properties of magnetic right lines
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ɢᴇɴᴇʀᴀʟ ᴘʀᴏᴘᴇʀᴛɪᴇs ᴏғ ᴍᴀɢɴᴇᴛɪᴄ ʟɪɴᴇs ᴏғ ғᴏʀᴄᴇ
- ᴛʜᴇʏ sᴇᴇᴋ ᴛʜᴇ ᴘᴀᴛʜ ᴏғ ʟᴇᴀsᴛ ʀᴇsɪsᴛᴀɴᴄᴇ ʙᴇᴛᴡᴇᴇɴ ᴏᴘᴘᴏsɪᴛᴇ ᴍᴀɢɴᴇᴛɪᴄ ᴘᴏʟᴇs. ...
- ᴛʜᴇʏ ɴᴇᴠᴇʀ ᴄʀᴏss ᴏɴᴇ ᴀɴᴏᴛʜᴇʀ.
- ᴛʜᴇʏ ᴀʟʟ ʜᴀᴠᴇ ᴛʜᴇ sᴀᴍᴇ sᴛʀᴇɴɢᴛʜ.
- ᴛʜᴇɪʀ ᴅᴇɴsɪᴛʏ ᴅᴇᴄʀᴇᴀsᴇs (ᴛʜᴇʏ sᴘʀᴇᴀᴅ ᴏᴜᴛ) ᴡʜᴇɴ ᴛʜᴇʏ ᴍᴏᴠᴇ ғʀᴏᴍ ᴀɴ ᴀʀᴇᴀ ᴏғ ʜɪɢʜᴇʀ ᴘᴇʀᴍᴇᴀʙɪʟɪᴛʏ ᴛᴏ ᴀɴ ᴀʀᴇᴀ ᴏғ ʟᴏᴡᴇʀ ᴘᴇʀᴍᴇᴀʙɪʟɪᴛʏ.
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The properties of magnetic right lines are as follows :
- They seek the path of least resistance between opposite magnetic poles. In a single bar magnet as shown to the right, they attempt to form closed loops from pole to pole.
- They never cross one another.
- They all have the same strength.
- Their density decreases (they spread out) when they move from an area of higher permeability to an area of lower permeability.
- Their density decreases with increasing distance from the poles.
- They are considered to have direction as if flowing, though no actual movement occurs.
- They flow from the south pole to the north pole within a material and north pole to south pole in air.
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