Force of interaction between two co-axial short electric dipoles whose centres are R distance apart varies as

Question

Force of interaction between two co-axial short electric dipoles whose centres are R distance apart varies as (A) (1/R) (B) (1/R2) (C) (1/R3) (D) (1/R4)

Tardigrade Admin · Accepted Answer

<img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/08af58fed4e52c358f4e9449efa5b30f-.png" /> F=(K 6 P1 P2/r4)

Q. Force of interaction between two co-axial short electric dipoles whose centres are $R$ distance apart varies as

$\frac{1}{R}$

$\frac{1}{R ^{2}}$

$\frac{1}{R ^{3}}$

$\frac{1}{R ^{4}}$

$F = \frac{K 6 P _{1} P _{2}}{r ^{4}}$

Q. Force of interaction between two co-axial short electric dipoles whose centres are R distance apart varies as

R1​

R21​

R31​

R41​