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An electric dipole consists of two oppos...

An electric dipole consists of two opposite charges of magnitude `1muC` separated by a distance of `2cm`.The dipole is placed in an electric filled `10^(-5)Vm^(-1)`.The maximum torque that the field exert on the dipole is

A

`0.2xx10^(-3)Nm`

B

`1xx10^(-3)Nm`

C

`2xx10^(-3)Nm`

D

`4xx10^(-3)Nm`

Text Solution

Verified by Experts

The correct Answer is:
C
`tau=pEsintheta=2lqEsintheta`
`=2xx10^(-2)xx1xx10^(-6)xx1xx10^(5)xxsin90`
`=2xx10^(-3)Nm`
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NIKITA PUBLICATION-ELECTROSTATICS-Multiple Choice Questions
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  2. An electric dipole in a uniform electric field experiences (When it is...

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  3. An electric dipole consists of two opposite charges of magnitude 1muC ...

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  6. The electric field at a point due to a point charge is 20 NC^(-1) an...

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  7. If E = 0 at all points on a closed surface

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  8. A particle having positive charge is released from rest in the electri...

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  9. The path traced by a unit positive charge in an electric field is

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  10. Electric lines of force about negative point charge are

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  11. Which of the following statement is correct in case of lines of charge...

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  12. Give two properties of electric lines of force. Sketch them for an iso...

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  13. The electric lines of force do not passes through

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  14. The electric field intensity on the surface of a charged conductor is

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  15. There is force of repulsion between two like charges, because electric...

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  16. There is force of attraction between two unlike charges because lines ...

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  17. The properties of electric lines of force, tubes of force and tubes of...

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  18. The line of force are always

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  19. Assetrion: Electric lines of force never cross each other. Reason: E...

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  20. If electric field is uniform, then the electric lines of forces are :

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