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Question Number 39623 by NECx last updated on 08/Jul/18

Two equal charges q_1 =q_(2 ) =−6μC  are on the y−axis at y_1 =3cm and  y_2 =−3cm.  i)What is the magnitude and  direction of the electric field on the  x−axis at x= 4cm,  ii)if a test charge q_0 =2μC is plqced  at x=4cm,find the force the net  charge experiences.

$${Two}\:{equal}\:{charges}\:{q}_{\mathrm{1}} ={q}_{\mathrm{2}\:} =−\mathrm{6}\mu{C} \\ $$$${are}\:{on}\:{the}\:{y}−{axis}\:{at}\:{y}_{\mathrm{1}} =\mathrm{3}{cm}\:{and} \\ $$$${y}_{\mathrm{2}} =−\mathrm{3}{cm}. \\ $$$$\left.{i}\right){What}\:{is}\:{the}\:{magnitude}\:{and} \\ $$$${direction}\:{of}\:{the}\:{electric}\:{field}\:{on}\:{the} \\ $$$${x}−{axis}\:{at}\:{x}=\:\mathrm{4}{cm}, \\ $$$$\left.{ii}\right){if}\:{a}\:{test}\:{charge}\:{q}_{\mathrm{0}} =\mathrm{2}\mu{C}\:{is}\:{plqced} \\ $$$${at}\:{x}=\mathrm{4}{cm},{find}\:{the}\:{force}\:{the}\:{net} \\ $$$${charge}\:{experiences}. \\ $$

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