Class 12th Physics 2017 Set1 Delhi Board Paper Solution
Depict the orientation of the dipole in
(a) stable,
(b) unstable equilibrium in a uniform electric field.
Below is the orientation of the dipole:
(a) In Stable equilibrium:
p is parallel to E. i.e. θ = 0
pE sinθ = 0
Net force qE - qE = 0
(b) In unstable equilibrium, p is antiparallel to E i.e. θ = 180°
pE sin180º = 0
Net force qE - qE = 0
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