Question

1) Give defination of:
(a) Specific latent heat of vaporization (b)regelation
ffort felectric current​

Answer 1

Answer:

1. ꜱᴩᴇᴄɪꜰɪᴄ ʟᴀᴛᴇɴᴛ ʜᴇᴀᴛ ᴏꜰ ᴠᴀᴩᴏʀɪᴢᴀᴛɪᴏɴ ᴏꜰ ᴡᴀᴛᴇʀ ɪꜱ ᴅᴇꜰɪɴᴇᴅ ᴀꜱ ᴛʜᴇ ᴀᴍᴏᴜɴᴛ ᴏꜰ ʜᴇᴀᴛ ʀᴇqᴜɪʀᴇᴅ ᴛᴏ ᴛʀᴀɴꜱꜰᴏʀᴍ ᴀ ᴜɴɪᴛ ᴍᴀꜱꜱ ᴏꜰ ᴡᴀᴛᴇʀ ꜰʀᴏᴍ ᴛʜᴇ ʟɪqᴜɪᴅ ꜱᴛᴀᴛᴇ ᴛᴏ ᴛʜᴇ ɢᴀꜱᴇᴏᴜꜱ ꜱᴛᴀᴛᴇ ᴡɪᴛʜᴏᴜᴛ ᴀɴy ᴠᴀʀɪᴀᴛɪᴏɴ ɪɴ ᴛᴇᴍᴩᴇʀᴀᴛᴜʀᴇ. ᴛʜᴇ ꜱ.ɪ. ᴜɴɪᴛ ᴏꜰ ꜱᴩᴇᴄɪꜰɪᴄ ʟᴀᴛᴇɴᴛ ʜᴇᴀᴛ ᴏꜰ ᴠᴀᴩᴏʀɪᴢᴀᴛɪᴏɴ, ɪᴠ ᴏꜰ ᴀ ꜱᴜʙꜱᴛᴀɴᴄᴇ ɪꜱ ᴊᴏᴜʟᴇꜱ ᴩᴇʀ ᴋɪʟᴏɢʀᴀᴍ (ᴊᴋɢ-1).
2. ᴛʜɪꜱ ɪꜱ ᴇᴀꜱɪʟy ꜱᴇᴇɴ ꜰʀᴏᴍ ᴏʜᴍ'ꜱ ʟᴀᴡ, ᴇqᴜᴀᴛɪᴏɴ (21), ᴡʜᴇɴ ɪᴛ ɪꜱ ᴡʀɪᴛᴛᴇɴ ᴀꜱ ɪ = ᴠ/ʀ. ꜰᴏʀ ᴀ ɢɪᴠᴇɴ ᴠᴏʟᴛᴀɢᴇ ᴅɪꜰꜰᴇʀᴇɴᴄᴇ ᴠ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴇɴᴅꜱ ᴏꜰ ᴀ ʀᴇꜱɪꜱᴛᴏʀ, ᴛʜᴇ ᴄᴜʀʀᴇɴᴛ ᴠᴀʀɪᴇꜱ ɪɴᴠᴇʀꜱᴇʟy ᴡɪᴛʜ ᴛʜᴇ ᴠᴀʟᴜᴇ ᴏꜰ ʀ. ᴛʜᴇ ɢʀᴇᴀᴛᴇʀ ᴛʜᴇ ᴠᴀʟᴜᴇ ʀ, ᴛʜᴇ ɢʀᴇᴀᴛᴇʀ ɪꜱ ᴛʜᴇ ɪᴍᴩᴇᴅᴀɴᴄᴇ ᴛᴏ ᴛʜᴇ ꜰʟᴏᴡ ᴏꜰ ᴇʟᴇᴄᴛʀɪᴄ ᴄᴜʀʀᴇɴᴛ.

Answer 2

Answer:

The specific latent heat of vaporisation of a liquid is the heat energy needed to change 1 kg of the material in its liquid state at its boiling point to 1 kg of the material in its gaseous state, and that released when 1 kg of vapour changes to 1 kg of liquid.