Question

On what principle a MCB works??
Plz help

Answer 1

mcb work on the principle of magnetic effect of current and see the attachment for answer

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.