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  • Stuck here, help me understand: - Electrostatics - JEE Main-3

Electric charges q,q,-2q   are placed at the corners of an equilateral triangle ABC of side  l. The magnitude of electric dipole moment of the system is

  • Option 1)

    ql

  • Option 2)

    2ql

  • Option 3)

    \sqrt3ql

  • Option 4)

    4ql

 

Answers (1)

best_answer

As we have learned

Stable Equilibriun -

\Theta = 90^{\circ}

\tau =0

w = 0

U_{min} = -PE

- wherein

 

 

 

P_{net}= \sqrt{P^2+P^2+2PP \cos 60 \degree}= \sqrt3p = \sqrt ql(\because p=ql)


Option 1)

ql

Option 2)

2ql

Option 3)

\sqrt3ql

Option 4)

4ql

Posted by

Aadil

View full answer

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