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12 February, 23:05

A test charge of - 1.4 * 10-7 coulombs experiences a force of 5.4 * 10-1 newtons. Calculate the magnitude of the electric field created by the negative test charge.

A. 1.4 * 106 newtons/coulomb

B. 1.9 * 106 newtons/coulomb

C. 5.4 * 10-1 newtons/coulomb

D. 3.6 * 106 newtons/coulomb

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Answers (2)
  1. 12 February, 23:59
    0
    Answer: D. 3.6*10^-6

    Explanation:

    Electric field strength E = Force on a charge / charge

    E = F/q

    E = 5.4*10^-1 / 1.4*10^-7

    E = 3.857*10^6 N/C
  2. 13 February, 01:46
    0
    I would say C 5.4 x 10-1 Newtons/coulomb
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