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Chapter 23: The Electric Field

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Pages: 629 - 657

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98 Questions for Chapter 23: The Electric Field

  1. Charges -qand +2qin FIGUREP23.39are located at x=±a. Determine the electric field at points 1-4. Write each field in component f

    Found on Page 655
  2. Derive Equation 23.11for the field E⇀dipolein the plane that bisects an electric dipole.

    Found on Page 655
  3. FIGURE P25.69 shows a thin rod of length L and charge Q. Find an expression for the electric potential a distance x away from the center of the rod on the axis of

    Found on Page 629
  4. You’ve been assigned the task of determining the magnitude and direction of the electric field at a point in space. Give a step-by-step procedure of how you will do so. List any objects you will use, any measurements you will make, and any calculations you will need to perform. Make sure that your measurements do not disturb the charges that are creating the field.

    Found on Page 652
  5. What are the strength and direction of the electric field at the position indicated by the dot in FIGURE EX23.1? Specify the direction as an angle above or below horizontal

    Found on Page 653
  6. Two 10 -cm-long thin glass rods uniformly charged to+10nCare placed side by side, 4.0cmapart. What are the electric field strengths E1to E3at distances 1.0cm,2.0cm, and 3.0cmto the right of the rod on the left along the line connecting the midpoints of the two rods?

    Found on Page 653
  7. The ball in FIGURE Q23.10 is suspended from a large, uniformly charged positive plate. It swings with period T. If the ball is discharged, will the period increase, decrease, or stay the same? Explain.

    Found on Page 652
  8. 11. II A small glass bead charged to +6.0nCis in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod and is 4.0cmfrom the rod's center. The bead is repelled from the rod with a force of 840μN. What is the total charge on the

    Found on Page 653
  9. Rank in order, from largest to smallest, the electric field strengths E1 to E5 at the five points inFIGURE Q23.11. Explain.

    Found on Page 652
  10. A small glass bead charged to +6.0nCis in the plane that bisects a thin, uniformly charged, 10-cm-long glass rod and is 4.0cmfrom the rod’s center. The bead is repelled from the rod with a force of840mN. What is the total charge o

    Found on Page 653

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