luebouk L ( 10 pts). Three point duram are plannd along the z-aris: -Sc, e--6 C

Question

luebouk L ( 10 pts). Three point duram are plannd along the z-aris: -Sc, e--6 C end iC n, positions 2 m, 3 m and a4 m. Find the potential atm. Potential must be equal to zero at 2. (10 pts). For the pmokiem ect-up of Problem 1 find the foroe at charge o due to the chargs a and o . (20 pta). For the cirouit peesented in the dingraas find emf a, current throngh it and resistanoe R. Here 4 (10 pts). Fout long straight wines carry currents I, 10 mA, 1 003A, 110 A and I4 20 mA are lated in one plane a·down in the diagram. Distance between two any neighboring wires is 2-10-1 m and lngth of each wine in 50 m. What is the mognetie field in each poins of the wire 3 due to all the other wires 1, 2 and 4? 5. (10 pts). For the peokiem set-up of Problem 4 find the net force acting on the wire 2 by all the other wires 1, 3 and 4? 6 (10 pta). An object is 26 an away from a convex mirror. The image is 4 an away from the mirror. Is the image real or virtual? Whut is the focal lewgth and the radius of the minnor? If the object is 0.12 em of height, what the image size? what is the magilation? 7. (10 ptn). Light strikes a let piece od uniformly thick glass at the angle of incidence e, 30°. The index of refraction of glam n- L5. Fiad [A) the angle of refraction 6, and (B) the angle 9n at which the ray energes from the glase blece le a o30 am lo the lut from its left focal point. Determine the image position nd mapniication for both cases.

Explanation / Answer

Please post seperate questions seperately.

1. as the charges 5,-6,8 uC are placed at -2 , 3 and 4 respectively

we can write the potential at -5 m as

V = k ( 5/3 -6/8 + 8/9 ) E-6

V = 16250 V

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