Question

Define the different operating regions of transistor​

Answer 1

Answer:

Bipolar transistors have four distinct regions of operation, defined by BJT junction biases. The base–emitter junction is forward biased and the base–collector junction is reverse biased. ... By reversing the biasing conditions of the forward-active region, a bipolar transistor goes into reverse-active mode.

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Answer 2

Answer:

ʙɪᴘᴏʟᴀʀ ᴛʀᴀɴsɪsᴛᴏʀs ʜᴀᴠᴇ ғᴏᴜʀ ᴅɪsᴛɪɴᴄᴛ ʀᴇɢɪᴏɴs ᴏғ ᴏᴘᴇʀᴀᴛɪᴏɴ, ᴅᴇғɪɴᴇᴅ ʙʏ ʙᴊᴛ ᴊᴜɴᴄᴛɪᴏɴ ʙɪᴀsᴇs. ᴛʜᴇ ʙᴀsᴇ–ᴇᴍɪᴛᴛᴇʀ ᴊᴜɴᴄᴛɪᴏɴ ɪs ғᴏʀᴡᴀʀᴅ ʙɪᴀsᴇᴅ ᴀɴᴅ ᴛʜᴇ ʙᴀsᴇ–ᴄᴏʟʟᴇᴄᴛᴏʀ ᴊᴜɴᴄᴛɪᴏɴ ɪs ʀᴇᴠᴇʀsᴇ ʙɪᴀsᴇᴅ. ... ʙʏ ʀᴇᴠᴇʀsɪɴɢ ᴛʜᴇ ʙɪᴀsɪɴɢ ᴄᴏɴᴅɪᴛɪᴏɴs ᴏғ ᴛʜᴇ ғᴏʀᴡᴀʀᴅ-ᴀᴄᴛɪᴠᴇ ʀᴇɢɪᴏɴ, ᴀ ʙɪᴘᴏʟᴀʀ ᴛʀᴀɴsɪsᴛᴏʀ ɢᴏᴇs ɪɴᴛᴏ ʀᴇᴠᴇʀsᴇ-ᴀᴄᴛɪᴠᴇ ᴍᴏᴅᴇ.