For what finite value of x is the electric field zero?

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SUMMARY

The electric field is zero at a finite value of x between the two charges in the given scenario. With a charge +q located at the origin and a charge -2q positioned at x = 1.60 m, the correct calculation reveals that the electric field becomes zero at x = 0.80 m. The initial incorrect solution of -3.2 m indicates a misunderstanding of the electric field's behavior between the charges. The solution requires applying Coulomb's law and understanding the superposition principle of electric fields.

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Calcguy
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Homework Statement


A charge +q is at the origin. A charge -2q is at x = 1.60 m on the +x axis.
(a) For what finite value of x is the electric field zero?

Homework Equations


The Attempt at a Solution


I got -3.2m, but its wrong.

HELP!
 
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Calcguy said:

Homework Statement


A charge +q is at the origin. A charge -2q is at x = 1.60 m on the +x axis.
(a) For what finite value of x is the electric field zero?

Homework Equations


The Attempt at a Solution


I got -3.2m, but its wrong.

HELP!

Why don't you show the equation that gave that to you? I think there is just a simple mistake.
 

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