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CBSE Class 12-science Answered

what is the surface integral in gauss 's law. and what is the meaning of premittivity of free space
Asked by | 20 Mar, 2008, 09:38: AM
answered-by-expert Expert Answer

 

 

The electric flux linked with a surfac in an electric field my be defined as the surface integral of the electric field over the surface..

    ΦE   =  ∫ E.ds

 

Permittivity

1.)Thus, permittivity relates to a material's ability to transmit (or "permit") an electric field.

 permittivity of free space  o= D/E  in free space

D----->displacement field

E----->is measured volts per metre

 = 1/c2 µo

c is the speed of light in free space
μ0 is the magnetic constant.

Answered by | 21 May, 2008, 10:34: PM
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