1.

The following table has 3 columns and 4 row. Based on table there are THREE questions. Each question has FOUR option (A), (B), (C ) and (D) ONLY ONE of these four option iscorrect Column contains a current carrying loop second column contains the value of magnetic field at point O and third column shows the value of magnetic dipole moment. Pick a combination where magnetic dipole momentis maximum.

Answer»

iii,ii,p
ii,ii,r
iv,iv,p
iv,I,p

Solution :MAGNETIC field at the centre of a current carrying are `= ((mu_(0) i)/(2R)) ((theta)/(2 pi))`
magnetic field due to current carrying striaght wire = `((mu_(0) i)/(4 pi R)) (sin theta_(1) + sin theta_(2))`
USE these two formulas to get RESULTS in different cases.
Magnetic dipole MOMENT = Bi area of the loop)


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