Question
Asked Sep 21, 2019
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Two particles are fixed to an x axis: particle 1 of charge -1.90 × 10-7 C is at the origin and particle 2 of charge +1.90 × 10-7 C is at x2 = 21.1 cm. Midway between the particles, what is the magnitude of the net electric field?

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Expert Answer

Step 1

The electric field lines out of the positive charge and toward the negative charge.

Write the expression for electric field due to a point charge.

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kq E = 2

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Step 2

Using the equation above, the magnitude of the electric field due to a charge at origin can be calculated as follows.

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(9*10N-m2/c2-1.90x107 C) E = (1055 m) 153635.36 N/C

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Step 3

Using the equation above, the magnitude of the electric fiel...

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(9x10° N m2/C)(1.90x10- C) E = (.1055m) =-153635.36 N/C

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