Question

. The element of an electric iron is made of copper.​

Answer 1

ɴɪᴄʜʀᴏᴍᴇ ɪs ᴜsᴇᴅ ɪɴ ᴇʟᴇᴄᴛʀɪᴄ ɪʀᴏɴ ʙᴇᴄᴀᴜsᴇ ɪᴛ ʜᴀs ʜɪɢʜ ʀᴇsɪsᴛᴀɴᴄᴇ ᴀɴᴅ ɪᴛ ɪs sᴛᴀʙʟᴇ ɪɴ ᴀɪʀ ᴡʜᴇɴ ʜᴏᴛ. ɴɪᴄʜʀᴏᴍᴇ ᴡɪʀᴇ ғᴏʀᴍs ᴀ ᴘʀᴏᴛᴇᴄᴛɪᴠᴇ ʟᴀʏᴇʀ ᴏғ ᴄʜʀᴏᴍɪᴜᴍ ᴏxɪᴅᴇ.

ᴍɪss ᴘʜᴇɴᴏᴍᴇɴᴀʟ

Answer 2

Nichrome: Most resistance wire heating elements use nichrome 80/20 (80% nickel, 20% chromium) wire, ribbon, or strip. Nichrome 80/20 is an ideal material, because it has relatively high resistance and forms an adherent layer of chromium oxide when it is heated for the first time.

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