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A protein molecule in an electrophoresis gel has a negative charge. The exact charge depends on the pH of the solution, but 30 excess electrons is typical.
What is the magnitude of the electric force on a protein with this charge in a 1600N/C electric field?
Write in two significant numbers, and also in Newton

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Based on the electric field and the test charge, the magnitude of the electric force is 7.7 x 10⁻¹⁵ N.

What is the magnitude of the electric field?

This can be found by the formula:

F = Eq

q = 1.6 x 10⁻¹⁹ x 30

Solving gives:

= 1,600 x 1.6 x 10⁻¹⁹C x 30

= 7.7 x 10⁻¹⁵ N

In conclusion, the magnitude of the electric force is 7.7 x 10⁻¹⁵ N.

Find out more on electric field magnitude at https://brainly.com/question/13074012.

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