Question

Q A magnetic compass needle is placed in the plane of paper near point A as shown
in the given figure. In which plane should a straight current carrying conductor be
placed so that it passes through A and there is no 'A change in the deflection of the
compass? Under what condition is the
deflection maximum and why?​

Answer 1

Answer: where is the figure?

Answer 2

† Answer †

ᴡʜᴇɴ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ғɪᴇʟᴅ ᴀɴᴅ ᴛʜᴇ ᴅɪʀᴇᴄᴛɪᴏɴ ᴏғ ᴄᴜʀʀᴇɴᴛ ᴀʀᴇ ᴘᴇʀᴘᴇɴᴅɪᴄᴜʟᴀʀ ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ, ᴛʜᴇ ᴅᴇғʟᴇᴄᴛɪᴏɴ ᴏғ ᴍᴀxɪᴍᴜᴍ. ʙᴜᴛ ᴡʜᴇɴ ᴛʜᴇʏ ᴀʀᴇ ɪɴ ᴛʜᴇ sᴀᴍᴇ ᴘʟᴀɴᴇ, ɴᴏ ᴅᴇғʟᴇᴄᴛɪᴏɴ ᴛᴀᴋᴇs ᴘʟᴀᴄᴇ. sᴏ, ᴛʜᴇ ᴄᴜʀʀᴇɴᴛ ᴄᴀʀʀʏɪɴɢ ᴄᴏɴᴅᴜᴄᴛᴏʀ ɴᴇᴇᴅs ᴛᴏ ʙᴇ ᴘʟᴀᴄᴇᴅ ɪɴ ᴛʜᴇ sᴀᴍᴇ ᴘʟᴀɴᴇ sᴏ ᴛʜᴀᴛ ᴛʜᴇ ᴍᴀɢɴᴇᴛɪᴄ ᴄᴏᴍᴘᴀss ᴀᴛᴛᴀɪɴs ɴᴏ ᴅᴇғʟᴇᴄᴛɪᴏɴ.

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