Question

an electric dipole consisting of two equal and opposite point charges and the length of dipole is 2l is slightly moved from its position of stable equilibrium ..the minimum time during which it is aligned with the electric field from that place​

Answer 1

Answer:

Correct option is

C

md

2qE

moment of inertia (I)=m(

2

d

)

2

×2=

2

md

2

Now by τ=Iα

(qE)(dsinθ)=

2

md

2

α

α=(

md

2qE

)sinθ

for small θ

⇒α=(

md

2qE

)θ

⇒ Angular frequency ω=

md

2qE

Answer 2

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