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NEET
Exam
NEET
Subject
Physics
Chapter
Capacitance

NEET · Physics · Capacitance

Four charges are arranged at the corners of a square ABCD of side...

Four charges are arranged at the corners of a square ABCD of side d, as shown in Fig. Find the work required to put together this arrangement.
Four charges are arranged at the corners of a square ABCD of side d, as shown in Fig. Find the work required to put

Options

  1. A−q24πεod(4−22)\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-2\sqrt{2} \right)
  2. B−q24πεod(4−23)\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-2\sqrt{3} \right)
  3. C−q24πεod(4−2)\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-\sqrt{2} \right)
  4. D−q24πεod(4−3)\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-\sqrt{3} \right)

Correct answer

C. −q24πεod(4−2)\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-\sqrt{2} \right)

Step-by-step solution

Correct Option is : (C)
$\frac{-{{q}^{2}}}{4\pi {{\varepsilon }_{o}}d}\left( 4-\sqrt{2} \right)
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