Question

number 7 please !!

6. A wire of length, 0.4 m, parallel to the x-axis moves in the x-y plane perpendicular to a B-field, B 0.15 T, with a velocity, Vy 0.06 m/s The B-field is parallel to the z-axis and points downward. Determine: (a) the induced emf in the wire; (b) the current in the wire if R 0.2 ohm. 7. A converging lens has a focal length, f 40 cm. If an object is placed at do 70 cm and whose height, ho 10 cm determine: (a) di; (b) m; (c) h A charge, q =-5pC moves through a uniform B-field、B-0.35 T, with a velocity, v 200 m/s, at right angles to the field. Determine: (a) Fm On the charge; (b) mass of the charge if a 5 x 101 m/s. For the following circuit use the loop method to determine the current in each branch. 9. 2I ез a几 6V

Answer 1

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