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An electric dipole is placed at an angle...

An electric dipole is placed at an angle of `30^(@)` with an electric field intensity `2xx10^(5)N//C`. It experiences a torque equal to `4Nm`. The charge on the dipole, if the dipole length is `2 cm`, is

A

8 mC

B

2 mC

C

5 mC

D

`7 muC`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • An electric dipole is placed at an angle of 30^(@) with an electric field intensity 2xx10^(5)N//C . It experiences a torque equal to 4Nm . The charge on the dipole, if the dipole is length is 2 cm , is

    A
    `5 mC`
    B
    `7muC`
    C
    `8mC`
    D
    `2mC`

  • An electric dipole is placed at an angle of 30^(@) with an electric field intensity 2 xx 10^(2)N//C . It expeeriences a torque equal to 4Nm. The charge on the dipole , if the dipole length is 2cm, is

    A
    5mC
    B
    7mC
    C
    8mC
    D
    2mC

  • An electric dipole is placed at an angle 60^(@) with an electric field of strength 4xx10^(5) N/C. It experiences a torque equal to 8sqrt(3) Nm. Calculate the charge on the dipole, if dipole is of length 4 cm

    A
    `10^(-1)` C
    B
    `10^(-2)` C
    C
    `10^(-3)` C
    D
    `10^(-4)` C

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