Question

State the limitations of ohm's law

Answer 1

Answer:

ᴛʜᴇ ʟɪᴍɪᴛᴀᴛɪᴏɴs ᴏғ ᴏʜᴍ's ʟᴀᴡ ᴀʀᴇ ᴏᴜᴛʟɪɴᴇᴅ ʙᴇʟᴏᴡ: ᴛʜɪs ʟᴀᴡ ᴄᴀɴɴᴏᴛ ʙᴇ ᴀᴘᴘʟɪᴇᴅ ᴛᴏ ᴜɴɪʟᴀᴛᴇʀᴀʟ ɴᴇᴛᴡᴏʀᴋs. ᴀ ᴜɴɪʟᴀᴛᴇʀᴀʟ ɴᴇᴛᴡᴏʀᴋ ʜᴀs ᴜɴɪʟᴀᴛᴇʀᴀʟ ᴇʟᴇᴍᴇɴᴛs ʟɪᴋᴇ ᴅɪᴏᴅᴇ, ᴛʀᴀɴsɪsᴛᴏʀs, ᴇᴛᴄ., ᴡʜɪᴄʜ ᴅᴏ ɴᴏᴛ ʜᴀᴠᴇ sᴀᴍᴇ ᴠᴏʟᴛᴀɢᴇ ᴄᴜʀʀᴇɴᴛ ʀᴇʟᴀᴛɪᴏɴ ғᴏʀ ʙᴏᴛʜ ᴅɪʀᴇᴄᴛɪᴏɴs ᴏғ ᴄᴜʀʀᴇɴᴛ. ᴏʜᴍ's ʟᴀᴡ ɪs ᴀʟsᴏ ɴᴏᴛ ᴀᴘᴘʟɪᴄᴀʙʟᴇ ғᴏʀ ɴᴏɴ – ʟɪɴᴇᴀʀ ᴇʟᴇᴍᴇɴᴛs.

Answer 2

Answer:

This law cannot be applied to unilateral networks. A unilateral network has unilateral elements like diode, transistors, etc., which do not have same voltage current relation for both directions of current. Ohm's law is also not applicable for non – linear elements.