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Question: Charge 2Q and –Q are placed is shown in figure. The point at which electric field will be zero will ...

Charge 2Q and –Q are placed is shown in figure. The point at which electric field will be zero will be-

A

Somewhere between –Q and +2Q

B

Left of –Q at a21\frac{a}{\sqrt{2} - 1}

C

Left of –Q at a12\frac{a}{1 - \sqrt{2}}

D

Right of 2Q at a1+2\frac{a}{1 + \sqrt{2}}

Answer

Left of –Q at a21\frac{a}{\sqrt{2} - 1}

Explanation

Solution

x = = from –Q