Question

explain about fuse and earthing​

Answer 1

.HERE IS UR ANSWER

So a fuse by itself does nothing to prevent electrocution. The earth (ground) conductor provides a low-resistance return path for current should a live wire come adrift inside an appliance and touch a metal part. ... When overcurrent scenario occurs, the Low Resistance melts, hence breaks the circuit.

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Answer 2

Answer:

ꜰᴜꜱᴇ

ᴀɴꜱ :- ᴛʜᴇ ꜰᴜꜱᴇ ɪꜱ ᴀ ꜱᴀꜰᴇᴛʏ ᴅᴇᴠɪᴇ ᴜꜱᴇ ɪɴ ᴀɴ ᴇʟᴇᴄᴛʀɪᴄ ᴄɪʀᴄᴜɪᴛ ᴛᴏ ᴘʀᴇᴠᴇɴᴛ ʟᴀʀɢᴇ ᴀᴍᴏᴜɴᴛ ᴏꜰ ᴄᴜʀʀᴇɴᴛ ꜰʀᴏᴍ ꜰʟᴏᴡɪɴɢ ᴛʜʀᴏᴜɢʜ ᴀ ᴄɪʀᴄᴜɪᴛ . ɪᴛ ᴄᴏɴꜱɪꜱᴛꜱ ᴏꜰ ᴀɴ ᴀʟʟᴏʏ ᴛʜᴀᴛ ʜᴀꜱ ʟᴏᴡ ᴍᴇʟᴛɪɴɢ ᴘᴏɪɴᴛ ꜰɪᴛᴛᴇᴅ ᴏ ᴀɴ ᴀ ꜱᴜʀꜰᴀᴄᴇ ᴍᴀᴅᴇ ᴏꜰ ᴘᴏʀᴄᴇʟᴀɪɴ ᴏʀ ɢʟᴀꜱꜱ .

ᴇᴀʀᴛʜɪɴɢ

ᴀɴꜱ :- ᴇᴀʀᴛʜɪɴɢ ɪꜱ ʙᴀꜱᴇᴅ ᴏɴ ʀᴇꜱᴇᴀʀᴄʜ ᴛʜᴀᴛ ᴅᴇᴍᴏɴꜱᴛʀᴀᴛᴇ ᴛʜᴀᴛ ᴄᴏɴɴᴇᴄᴛɪɴɢ ᴛᴏ ᴇᴀʀᴛʜ'ꜱ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ᴇɴᴇʀɢʏ ᴘʀᴏᴍᴏᴛᴇꜱ ᴘʜʏꜱɪᴄᴀʟ ᴡᴇʙʟɪɴɢꜱ . ᴛʜᴇ ᴀᴄᴛ ᴏꜰ ᴇᴀʀᴛɪɴɢ ʀᴇꜰᴇʀꜱ ᴛᴏ ᴀ ᴘʜʏꜱɪᴄᴀʟ ᴄᴏɴɴᴇᴄᴛɪᴏɴ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴇʟᴇᴄᴛʀɪᴄᴀʟ ꜰʀᴇQᴜᴇɴᴄᴇꜱ ᴏꜰꜰ ᴛʜᴇ ʜᴜᴍᴀɴ ʙᴏᴅʏ ᴡɪᴛʜ ᴛʜᴀᴛ ᴏꜰ ᴇᴀʀᴛʜ'ꜱ ɪɴ ᴛʜᴇ ɢʀᴀꜱꜱ , ᴏʀ ᴀᴛ ᴛʜᴇ ʙᴇᴀᴄʜ .