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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 correct combinations |
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Answer» 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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