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Question: Answered & Verified by Expert
Two point dipoles $\mathrm{p} \hat{\mathrm{k}}$ and $\frac{\mathrm{p}}{2} \hat{\mathrm{k}}$ are located at (0,0,0) and $(1 \mathrm{~m}, 0,2 \mathrm{~m})$ respectively. The resultant electric field due to the two dipoles at the point $(1 \mathrm{~m}, 0,0)$ is
PhysicsElectrostaticsBITSATBITSAT 2014
Options:
  • A $\frac{9 \mathrm{p}}{32 \pi \epsilon_{0}} \hat{\mathrm{k}}$
  • B $\frac{-7 \mathrm{p}}{32 \pi \epsilon_{0}} \hat{\mathrm{k}}$
  • C $\frac{7 \mathrm{p}}{32 \pi \epsilon_{0}} \hat{\mathrm{k}}$
  • D None of these
Solution:
1890 Upvotes Verified Answer
The correct answer is: $\frac{-7 \mathrm{p}}{32 \pi \epsilon_{0}} \hat{\mathrm{k}}$



The given point is at axis of $\frac{\overrightarrow{\mathrm{P}}}{2}$ dipole and

at equatorial line of $\overrightarrow{\mathrm{P}}$ dipole so that field at given point.

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