Question

Why does the cord of electric heater not glow while heating element does

Answer 1

The heating element of the heater glows as it blocks current from it to pass which produces heat and due to its high resistance it does not melt but produce heat and glow . the wire inside the cord allows the electricity to pass through it

Answer 2

ᴀɴ ᴇʟᴇᴄᴛʀɪᴄ ʜᴇᴀᴛᴇʀ ᴡᴏʀᴋs ᴏɴ ᴛʜᴇ ᴘʀɪɴᴄɪᴘʟᴇ ᴏғ ᴛʜᴇ ʜᴇᴀᴛɪɴɢ ᴇғғᴇᴄᴛ ᴏғ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ. ᴛʜᴇ ʜᴇᴀᴛɪɴɢ ᴇʟᴇᴍᴇɴᴛ ᴏғ ᴛʜᴇ ʜᴇᴀᴛᴇʀ ʙʟᴏᴄᴋs ᴛʜᴇ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ ᴀɴᴅ ᴅᴏᴇs ɴᴏᴛ ʟᴇᴛ ɪᴛ ᴘᴀss. sᴏ ᴛʜᴇ ʜᴇᴀᴛɪɴɢ ᴇʟᴇᴍᴇɴᴛ ɢᴇᴛs ʜᴇᴀᴛᴇᴅ ᴀɴᴅ ɢʟᴏᴡs ᴅᴜᴇ ᴛʜᴇ ʜᴇᴀᴛ. ɪᴛ ʜᴀs ʜɪɢʜ ʀᴇsɪsᴛɪᴠɪᴛʏ , sᴏ ɪᴛ ᴅᴏᴇs ɴᴏᴛ ᴍᴇʟᴛ. ᴛʜᴇ ᴄᴏʀᴅ ᴏғ ᴛʜᴇ ᴇʟᴇᴄᴛʀɪᴄ ʜᴇᴀᴛᴇʀ ɪs ᴀ ɢᴏᴏᴅ ᴄᴏɴᴅᴜᴄᴛᴏʀ ᴏғ ᴇʟᴇᴄᴛʀɪᴄɪᴛʏ sᴏ ɪᴛ ᴅᴏᴇs ɴᴏᴛ ɢᴇᴛ ʜᴇᴀᴛᴇᴅ ᴜᴘ ᴀɴᴅ ᴀʟsᴏ ᴅᴏᴇs ɴᴏᴛ ɢʟᴏᴡ.