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A straight wire of mass 150 g and length...

A straight wire of mass 150 g and length 2 m carries a current of 1.5 A. It is suspended in mid-air by a uniform horizontal magnetic field B (figure). What is the magnitude of the magnetic field ? `(g=10ms^(-2))`

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The correct Answer is:
B = 0.5 T
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KUMAR PRAKASHAN-MOVING CHARGES AND MAGNETISM-SECTION B (NUMERICAL FROM TEXTUAL ILLUSTRATIONS)
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