Question

Discuss one limitation each for the extracting of energy from: (a) wind (b) tide

Answer 1

a) only works at high wind speed and high installation cost
b)works only at change in tide

Answer 2

α｠ᴀ ᴡɪɴᴅᴍɪʟʟ ʀᴇǫᴜɪʀᴇs ᴡɪɴᴅ ᴏғ sᴘᴇᴇᴅ ᴍᴏʀᴇ ᴛʜᴀɴ 15 ᴋᴍ/ʜʀ ᴛᴏ ɢᴇɴᴇʀᴀᴛᴇ ᴇʟᴇᴄᴛʀɪᴄɪᴛʏ ғʀᴏᴍ ᴡɪɴᴅ ᴇɴᴇʀɢʏ ᴀʟsᴏ ʟᴀʀɢᴇ ɴᴜᴍʙᴇʀs ᴏғ ᴡɪɴᴅᴍɪʟʟs ᴀʀᴇ ʀᴇǫᴜɪʀᴇᴅ ᴛᴏ ɢᴇᴛ ғᴇᴀsɪʙʟᴇ ᴏᴜᴛᴘᴜᴛ ᴡʜɪᴄʜ ᴄᴏᴠᴇʀs ᴀ ʟᴀʀɢᴇ ᴀʀᴇᴀ.

b｠ᴠᴇʀʏ ʜɪɢʜ ᴛɪᴅᴇs ᴀʀᴇ ʀᴇǫᴜɪʀᴇᴅ ɪɴ ᴏʀᴅᴇʀ ᴛᴏ ᴇxᴛʀᴀᴄᴛ ᴇɴᴇʀɢʏ ғʀᴏᴍ ᴛɪᴅᴇs. ᴀʟsᴏ, ᴏᴄᴄᴜʀʀᴇɴᴄᴇ ᴏғ ᴛɪᴅᴇs ᴅᴇᴘᴇɴᴅs ᴏɴ ᴛʜᴇ ʀᴇʟᴀᴛɪᴠᴇ ᴘᴏsɪᴛɪᴏɴs ᴏғ sᴜɴ, ᴍᴏᴏɴ ᴀɴᴅ ᴛʜᴇ ᴇᴀʀᴛʜ.

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