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The electric dipoles each of dipole moment $P = 6.2 \times 10^{- 30} C - m$ are placed with their axis along the same line and their centres at a distance = $10^{- 8}$ $c m$ . The force of attraction between dipoles is

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2.1×10−16N

2.1×10−12N

2.1×10−10N

2.1×10−8N

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detailed solution

Correct option is D

F=k6p1p2r4=9×109×6×6.2×6.2×10−30×10−3010−40 =2.1×10−8N

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The electric dipoles each of dipole moment P=6.2×10−30C−m are placed with their axis along the same line and their centres at a distance = 10−8 cm . The force of attraction between dipoles is

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Ready to Test Your Skills?

free study material

The electric dipoles each of dipole moment $P = 6.2 \times 10^{- 30} C - m$ are placed with their axis along the same line and their centres at a distance = $10^{- 8}$ $c m$ . The force of attraction between dipoles is