ᴡʜᴀᴛ ɪs ʀᴇsɪsᴛᴀɴᴄᴇ ᴀɴᴅ ʀᴇsɪsᴛɪᴠɪᴛʏ?
ᴋᴏɪ ʜᴀɪ?
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Resistance: has the unit ohm
Comman formula R=V/I
Resistivity: it presents with Greek symbol rho(¶)
¶=RA/l
....
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ʀᴇꜱɪꜱᴛɪᴠɪᴛy:
ʀᴇꜱɪꜱᴛɪᴠɪᴛy ɪꜱ ᴀ ᴍᴇᴀꜱᴜʀᴇ ᴏꜰ ᴛʜᴇ ʀᴇꜱɪꜱᴛᴀɴᴄᴇ ᴏꜰ ᴀ ɢɪᴠᴇɴ ꜱɪᴢᴇ ᴏꜰ ᴀ ꜱᴩᴇᴄɪꜰɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ᴛᴏ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄᴏɴᴅᴜᴄᴛɪᴏɴ. ... ᴍᴀᴛᴇʀɪᴀʟꜱ ᴛʜᴀᴛ ᴄᴏɴᴅᴜᴄᴛ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄᴜʀʀᴇɴᴛ ᴇᴀꜱɪʟy ᴀʀᴇ ᴄᴀʟʟᴇᴅ ᴄᴏɴᴅᴜᴄᴛᴏʀꜱ ᴀɴᴅ ʜᴀᴠᴇ ᴀ ʟᴏᴡ ʀᴇꜱɪꜱᴛɪᴠɪᴛy. ᴛʜᴏꜱᴇ ᴛʜᴀᴛ ᴅᴏ ɴᴏᴛ ᴄᴏɴᴅᴜᴄᴛ ᴇʟᴇᴄᴛʀɪᴄɪᴛy ᴇᴀꜱɪʟy ᴀʀᴇ ᴄᴀʟʟᴇᴅ ɪɴꜱᴜʟᴀᴛᴏʀꜱ ᴀɴᴅ ᴛʜᴇꜱᴇ ᴍᴀᴛᴇʀɪᴀʟꜱ ʜᴀᴠᴇ ᴀ ʜɪɢʜ ʀᴇꜱɪꜱᴛɪᴠɪᴛy
ʀᴇꜱɪꜱᴛᴀɴᴄᴇ:
ʀᴇꜱɪꜱᴛᴀɴᴄᴇ ɪꜱ ᴀ ᴍᴇᴀꜱᴜʀᴇ ᴏꜰ ᴛʜᴇ ᴏᴩᴩᴏꜱɪᴛɪᴏɴ ᴛᴏ ᴄᴜʀʀᴇɴᴛ ꜰʟᴏᴡ ɪɴ ᴀɴ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴄɪʀᴄᴜɪᴛ. ʀᴇꜱɪꜱᴛᴀɴᴄᴇ ɪꜱ ᴍᴇᴀꜱᴜʀᴇᴅ ɪɴ ᴏʜᴍꜱ, ꜱyᴍʙᴏʟɪᴢᴇᴅ ʙy ᴛʜᴇ ɢʀᴇᴇᴋ ʟᴇᴛᴛᴇʀ ᴏᴍᴇɢᴀ (Ω). ... ᴀʟʟ ᴍᴀᴛᴇʀɪᴀʟꜱ ʀᴇꜱɪꜱᴛ ᴄᴜʀʀᴇɴᴛ ꜰʟᴏᴡ ᴛᴏ ꜱᴏᴍᴇ ᴅᴇɢʀᴇᴇ
ꜱʜᴀᴅʜᴜ ʙᴀʙᴀ ʜᴇʀᴇ... XD
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