3.1 A conductor 350 mm long carries a current of 10 A and is at right-angles to a magnetic field lying between two circu

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3 1 A Conductor 350 Mm Long Carries A Current Of 10 A And Is At Right Angles To A Magnetic Field Lying Between Two Circu 1 (49.29 KiB) Viewed 18 times

3.1 A conductor 350 mm long carries a current of 10 A and is at right-angles to a magnetic field lying between two circular pole faces each of radius 60 mm. If the total flux between the pole faces is 0.5 mWb, calculate the magnitude of the force exerted on the conductor (8) 3.2 A coil is wound uniformly on a former having a width of 18 mm and a length of 25 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 0.75 T, the axis being perpendicular to the field. If the coil carries a current of 120 mA, determine the force exerted on each coil side, (a) for a single-turn coil, (3) (4) (b) for a coil wound with 400 turns [15]