ACTIVITY 2: PROBLEM SOLVINGInstruction: Solve the following problems completely and neatly. Write your solution in a clean sheet of yellowpaper.1. A force of 100N is directed north on a -20µC point charge. What is the magnitude of the electricfield at this point?2. A positive charge, q = +25 nC, is on the y-axis at y = +5.00 cm. (a) Determine the magnitude and directionof the electric field at the origin. (b) What will be the magnitude and direction of the electric field at theorigin if the charge is -25 nC?3. Three charges and their specific locations are given as follows:q1 = - 20 nC; (0, 3.00 cm)q2 = + 30 nC; (-2.00 cm, 5.00 cm)q3 = + 10 nC; (-4.00 cm, 0 cm)Determine the magnitude and direction of the net electric field at the field point P (3.00 cm, 0)using component method.4. Calculate the magnitude and direction of the electric field 0.45 m from a + 7.85 x 109 C point charge.5. An electric dipole consists of two equal but unlike charges separated by a distance. Two point charges,q1 = +4.5 x 106C and q2 = -4.5 x 10 6 C, are separated by 6.4 x 102m, forming an electric dipole as shownin the figure. Find the electric field halfway between the dipole.

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1. A force of 10ON is directed north on a -20µC point charge. What is the magnitude of the electric field at this point?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter24: Electric Fields

Section: Chapter Questions

Problem 28PQ: The electric field at a point on the perpendicular bisector of a charged rod was calculated as the...

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(a) What is the electric field 5.00 m from die center of the terminal of a Van de Graaff with a 3.00-mC charge, noting that the field is equivalent to that of a point charge at the center of the terminal? (b) At this distance, what force does the field exert on a 2.00C charge on the Van de Graaff’s belt?
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