Question

two advantages of using mcb

Answer 1

MCB has several advantages over fuse: MCB is more sensitive to current than fuse. It detects any abnormality in the current flow and automatically switches off the electrical circuit. In case of MCB, the faulty zone of electrical circuit can be easily identified.

Answer 2

ᴀɴsᴡᴇʀ࿐

ᴅᴇғɪɴɪᴛɪᴏɴ:-

ᴀ ᴍɪɴɪᴀᴛᴜʀᴇ ᴄɪʀᴄᴜɪᴛ ʙʀᴇᴀᴋᴇʀ ᴏʀ ᴍᴄʙ ɪs ᴀɴ ᴇʟᴇᴄᴛʀᴏᴍᴀɢɴᴇᴛɪᴄ ᴅᴇᴠɪᴄᴇ ᴛʜᴀᴛ ʜᴀᴠᴇ ᴀ ᴄᴏᴍᴘʟᴇᴛᴇ ᴍᴏʟᴅᴇᴅ ɪɴsᴜʟᴀᴛɪɴɢ ᴍᴀᴛᴇʀɪᴀʟ. ᴛʜᴇ ᴍᴀɪɴ ғᴜɴᴄᴛɪᴏɴ ᴏғ ᴛʜɪs ᴅᴇᴠɪᴄᴇ ɪs ᴛᴏ sᴡɪᴛᴄʜ ᴛʜᴇ ᴄɪʀᴄᴜɪᴛ ᴡʜᴇɴ ᴀᴄᴄᴇss ᴄᴜʀʀᴇɴᴛ ɪs ᴘᴀssᴇᴅ

ᴡᴏʀᴋɪɴɢ ᴏғ ᴍᴄʙ:-

ᴛʜᴇ ᴍᴄʙ ᴡᴏʀᴋs ᴀs ᴀ sᴡɪᴛᴄʜ ᴡʜɪᴄʜ ɪs ᴀ ᴍᴀɴᴜᴀʟ sᴡɪᴛᴄʜ sʜᴏʀᴛ ᴄɪʀᴄᴜɪᴛ ᴏʀ ᴏᴠᴇʀʟᴏᴀᴅ sɪᴛᴜᴀᴛɪᴏɴs, ᴛʜᴇ ᴅᴇᴠɪᴄᴇ ᴀᴜᴛᴏᴍᴀᴛɪᴄᴀʟʟʏ ᴛʀɪᴘs ᴡʜᴇɴ ᴀᴄᴄᴇss ᴄᴜʀʀᴇɴᴛ ɪs ᴘᴀssᴇᴅ.

ᴜsᴇs ᴏғ ᴍᴄʙ

1.ᴛʜᴇʏ ᴀʀᴇ ᴜsᴇᴅ ɪɴ ʜᴏᴍᴇ ᴀᴘᴘʟɪᴀɴᴄᴇs.

2.ᴛʜᴇʏ ᴀʀᴇ ᴜsᴇᴅ ɪɴ ʜᴇᴀᴛᴇʀs.

3.ᴛʜᴇʏ ᴀʀᴇ ᴜsᴇᴅ ɪɴ ɪɴᴅᴜsᴛʀɪᴇs.