Question

In an experiment there are two coils wound on a non-conducting cylindrical rod. Initially, key is not inserted.

Discuss the case when key is inserted and when it is removed.

Answer 1

wen key is inserted , there forms magnetic fields n current flows wen the key is drawn out the magnetic flux changes it's direction n no current will becintroduced

Answer 2

Answer:

ᴛʜᴇʀᴇ ᴀʀᴇ ᴍᴏᴍᴇɴᴛᴀʀʏ ɢᴀʟᴠᴀɴᴏᴍᴇᴛᴇʀ ᴅᴇғʟᴇᴄᴛɪᴏɴs ᴛʜᴀᴛ ᴅɪᴇ ᴏᴜᴛ sʜᴏʀᴛʟʏ, ᴛʜᴇ ᴅᴇғʟᴇᴄᴛɪᴏɴs ᴀʀᴇ ɪɴ ᴏᴘᴘᴏsɪᴛᴇ ᴅɪʀᴇᴄᴛɪᴏɴs.