Question

2 charges q and -3 q are fixed on x axis separeated by a distance d. Where should a 3rd charge 2 q be placed from A such that it will not experience any force _

Answer 1

Explanation:

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Answer 2

Answer:

Explanation:

In physics, price, additionally called electric powered price, electric price, or electrostatic price and symbolized q, is a function of a unit of count that expresses the volume to which it has extra or fewer electrons than protons.

coulomb, unit of electrical price withinside the metre-kilogram-2d-ampere machine, the idea of the SI machine of bodily units. It is abbreviated as C. The coulomb is described as the amount of energy transported in a single 2d via way of means of a cutting-edge of 1 ampere.

Let a price 2q be located at P, at a distance l from A wherein price q is located, as proven in figure

The price 2q will now no longer enjoy any pressure, whilst pressure of repulsion on it because of q is balanced via way of means of pressure of enchantment on it because of −3q at B wherein AB=d

or

(2q)(q)/4πε0l²=(2q)3q/4πε0(l+d)²

(1+d)²=3l²

2l²-2ld-d²=0

1=2d±$\sqrt{4d^{2}+8d^{2} }$/4 =d/2±$\sqrt{3}$d/2

1=d+$\sqrt{3}$d/2

If charge 2q is placed between A and B then l=($\sqrt{3}$-1)/2 d

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