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A soap bubble is given a negative charge...

A soap bubble is given a negative charge, then its radius

A

It bursts

B

It expands

C

It contracts

D

Can't predict

Text Solution

Verified by Experts

The correct Answer is:
B
Due to repulsion
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NARAYNA-ELECTRIC CHARGES AND FIELDS-EXERCISE -1 (C.W)
  1. The quantization of charge reveals that

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  2. A soap bubble is given a negative charge, then its radius

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  3. A charge of 4xx10^(-9)C is distributed uniformly over the circumferen...

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  4. INDUCED CHARGE ON THE SURFACE OF DIELECTRIC

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  5. Two identical coins be 4.5 m apart on a table. They carry similar char...

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  6. Coulomb's law for electric charges, most closely resembles

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  7. The ratio of the force between two small conducting spheres of equal c...

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  8. Two identical metals balls with charges +2Q and -Q are separated by so...

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  9. Two equally charged small metal balls placed at a fixed distance exper...

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  10. There are two charges +2 mu C and -6 mu C at certain separation.Then ...

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  11. Two particles , each of mass m and carrying charge Q , are separated b...

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  12. Two particles having charge Q(1) and Q(2) , when kept at a certain dis...

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  13. Four charges are arranged at the corners of a square ABCD, as shown. ...

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  14. The electric field inside a spherical shell of uniform surface charge ...

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  15. the electric field intensity at apoint in space is equal in magnitude ...

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  16. A sphere of radius R has a uniform distribution of electric charge in ...

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  17. The electric field at the surface of a charged spherical conductor is ...

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  18. The electrons are accelerated through a pontential difference V by an ...

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  19. The total electric flux leaving a spherical surface of radius 1 cm and...

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  20. A uniform electric field Ehati exists in a region containing the orign...

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