Question

why is tungsten metal used in bulbs but not in fuse wires?​

Answer 1

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ᴛʜᴇ ᴀʙᴏᴠᴇ-ʟɪsᴛᴇᴅ ᴘᴏɪɴᴛs ᴇɴᴀʙʟᴇ ᴛᴜɴɢsᴛᴇɴ ᴛᴏ ʜᴏʟᴅ ᴀ ʟᴏᴛ ᴏғ ᴄᴜʀʀᴇɴᴛs ᴀɴᴅ ᴀs ᴀ ʀᴇsᴜʟᴛ ᴏғ ᴛʜᴇ ʜᴇᴀᴛɪɴɢ ᴇғғᴇᴄᴛ ᴏғ ᴄᴜʀʀᴇɴᴛ, ɪᴛ's sᴛᴀʀᴛɪɴɢ ᴛᴏ ɢʟᴏᴡ sᴘʀᴇᴀᴅɪɴɢ ʟɪɢʜᴛ. ʜᴏᴡᴇᴠᴇʀ, ᴛʜᴇsᴇ ᴘʀᴏᴘᴇʀᴛɪᴇs ᴅɪsᴀʙʟᴇ ɪᴛ ᴛᴏ ʙᴇ ᴀ ғᴜsᴇ ᴡɪʀᴇ ʙᴇᴄᴀᴜsᴇ ᴀ ғᴜsᴇ ᴡɪʀᴇ ɴᴇᴇᴅs ᴛᴏ ʜᴀᴠᴇ ᴛʜᴇ ғᴏʟʟᴏᴡɪɴɢ ᴘʀᴏᴘᴇʀᴛɪᴇs: ʟᴏᴡ ᴍᴇʟᴛɪɴɢ ᴘᴏɪɴᴛ. ʟᴏᴡ ᴏʜᴍɪᴄ ʟᴏssᴇs.

Answer 2

Answer:

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Explanation:

The above-listed points enable tungsten to hold a lot of currents and as a result of the heating effect of current, it's starting to glow spreading light. However, these properties disable it to be a fuse wire because a fuse wire needs to have the following properties: Low melting point. Low ohmic losses.

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