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    Show All Work - Multiple Choice Answers "MUST Be Proven" For Full Credit! (Show Your Solution!!!)

    Uploaded by

    Yzelle Santiago
    The document is a 20 point worksheet on electric fields that contains 10 multiple choice questions requiring explanations of reasoning. The questions cover topics such as sketching electric field lines for point charges, determining the direction and strength of electric fields, and calculating forces and accelerations on charges placed in electric fields.

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    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Show All Work - Multiple Choice Answers "MUST Be Proven" For Full Credit! (Show Your Solution!!!)

    Uploaded by

    Yzelle Santiago
    227 views2 pages
    The document is a 20 point worksheet on electric fields that contains 10 multiple choice questions requiring explanations of reasoning. The questions cover topics such as sketching electric field lines for point charges, determining the direction and strength of electric fields, and calculating forces and accelerations on charges placed in electric fields.

    Original Title

    Worksheet-4-Electric-Field

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    The document is a 20 point worksheet on electric fields that contains 10 multiple choice questions requiring explanations of reasoning. The questions cover topics such as sketching electric field lines for point charges, determining the direction and strength of electric fields, and calculating forces and accelerations on charges placed in electric fields.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    227 views2 pages

    Show All Work - Multiple Choice Answers "MUST Be Proven" For Full Credit! (Show Your Solution!!!)

    Uploaded by

    Yzelle Santiago
    The document is a 20 point worksheet on electric fields that contains 10 multiple choice questions requiring explanations of reasoning. The questions cover topics such as sketching electric field lines for point charges, determining the direction and strength of electric fields, and calculating forces and accelerations on charges placed in electric fields.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    20

    Name: Score:

    Worksheet 4 - Electric Fields (20 points)


    Show all work – multiple choice answers “MUST be proven” for full
    credit! (show your solution!!!)

    1. Sketch the electric field for each point charge or system of


    charges. 3. The diagram below shows some of the lines of
    electrical force around a positive point charge. Point A
    is nearest to the charge, point B is farther away, and
    a. point C is the farthest.
    +
    A

    b. +
    + - C B

    The electric field strength is


    c.
    - - (1)
    (2)
    greatest at point A
    greatest at point B
    (3) greatest at point C
    (4) equal at points A, B, and C

    2. An electron is placed between the two electrically charged Proof: Explain your reasoning.
    plates shown below. The electron accelerates toward the
    upper plate. The field strength between the plates is 4.8 x
    10-11 newtons per coulomb

    -
    a. Label each plate in the diagram with the correct 4. As an electron that is placed between the plates below
    charge. moves toward the positive plate, the force acting on it

    b. Sketch at least four electric field lines to represent electron


    the field between the plates.

    c. Determine the force exerted on the electron.

    (1) decreases
    (2) increases
    [7.7 x 10-30 N] (3) remains the same

    d. Calculate the rate at which the electron will accelerate Proof: Explain your reasoning.
    while between the plates.

    [8.43 m/s2]
    5. In the diagram below, A is near a negatively charged Base your answers to questions 8 through 10 on the diagram
    sphere. Which vector best represents the direction of the
    below which contains two spheres A and B that are initially 3.0
    electric field at point A?
    meters apart and have a charge of +2.0 x 10-6 coulombs.

    - v w

    (1) (3) x y

    (2) (4) z

    8. With spheres A and B at their current positions, the


    Proof: Draw the field around the object such that it passes through point A.
    electric field strength is zero at point

    (1) w (2) x (3) y (4) z


    6. An electrostatic force of 20 newtons is exerted on a charge
    of 8.0 x 10-2 coulombs at point P in an electric field. The Proof: Sketch the field lines between spheres A and B.
    magnitude of the electric field intensity at point P is

    (1) 4.0 x 10-3 N/C (3) 2.5 x 102 N/C


    (2) 1.6 N/C (4) 20 N/C

    Proof: Show calculations.


    9. The direction of the electric field at point w is

    (1) toward the top of the page


    (2) toward the bottom of the page
    (3) toward the left of the page
    (4) toward the right of the page

    Proof: Sketch the field lines between spheres A and B.

    7. Which of the following graphs best describes the


    relationship between the electric field strength
    surrounding a charged object and the distance from that
    object? 10. If a positive charge is placed at point x, the direction of
    the net force on the charge would be

    E E (1) into the page


    (1) (3) (2) out of the page
    distance distance (3) toward the left
    from charge from charge (4) toward the right

    Proof: Explain your reasoning.


    E E
    (2) (4)

    distance
    from charge distance
    from charge

    Proof: Explain.

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