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An electric dipole with dipole moment 4x...

An electric dipole with dipole moment `4xx10^(-9)` C-m is aligned at `30^(@)` with the direction of a uniform electric field of magnitude `5xx10^(4)` N/C. Calculate the magnitude of the torque acting on the dipole.

Text Solution

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The correct Answer is:
`10^(-4)` N-m
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An electric dipole of dipole moment 20xx10^(-6) C-m is enclosed by a closed surface What is the net electric flux coming out of this surface ?

An electric fipole of length 2 cm is placed with its axis making an angle 30^(@) to a uniform electric field of 10^(5) N/C if i. experiences a torque of 10sqrt(3) N-m, calculate (i) the magnitude of charge on the dipole and (ii) potential energy of dipole.

Knowledge Check

  • An electric dipole of length 1 cm is placed with the axis making an angle 30^(@) to an electric field of strength 01^(4)" NC"^(-1) . If it experiences a torque of 10sqrt(2) N-m, the potential energy of the dipole is

    A
    `0.245J`
    B
    `2.45` J
    C
    `0.0245` J
    D
    `24.5` J
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