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Torqure acting on an electric dipole in ...

Torqure acting on an electric dipole in an electric field is maximum when the angle between the electric field and the dipole moment is .........

Text Solution

Verified by Experts

The correct Answer is:
`90^(@) " or " pi/2`
[Hint : When `theta = 90^@` , torque `tau = pE sin 90^(@)=pE` ]
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Knowledge Check

  • For an electric dipole potential & electric field

    A
    can have same magnitude for a point at a distance less than 2 meter
    B
    can have same magnitude fo a point at distacnes greater than 2 meter
    C
    can never be equal
    D
    can never be predicted

  • Torque acting on a dipole placed in electric field is minimum when angle between vecp and vec(E) is:

    A
    `0^(@)`
    B
    `90^(@)`
    C
    `45^(@)`
    D
    `270^(@)`

  • Torque acting on a dipole in electric field is given by:

    A
    PE
    B
    PE sin `theta`
    C
    PE cos `theta`
    D
    0

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