Question: A coil is wound on a rectangular former of width 24 mm and length 30 mm. The former is pivoted about an axis passing

A coil is wound on a rectangular former of width 24 mm

A coil is wound on a rectangular former of width 24 mm and length 30 mm. The former is pivoted about an axis passing through the middle of the two shorter sides and is placed in a uniform magnetic field of flux density 0.8 T, the axis being perpendicular to the field. If the coil carries a current of 50 mA, determine the force on each coil side (a) for a single-turn coil. (b) for a coil wound with 300 turns.

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