Practicing Success
Practicing Success
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A straight wire of mass 500 g and length 7 m carries a current of 1.4 A. It is suspended in mid air by a uniform horizontal magnetic field B perpendicular to the length of the wire. The magnitude of magnetic field is |
3.5 T 0.7 T 0.5 T 2.5 T |
0.5 T |
The correct answer is Option (3) → 0.5 T |
