1.

The value of permittivity of vaccum is 8.85 xx 10^(-12) C^(2)N^(-1) m^(-2)and the dielectric constant of water is 81. So the permittivity of water will be………C^(2)N^(-1)m^(-2).

Answer»

`81 xx 8.86 xx 10^(-12)`
`8.86 xx 10^(-12)`
`(8.86 xx 10^(-12))/81`
`81/(8.86 xx 10^(-12))`

Solution :`rArr EPSILON/epsilon_(0) = K`
`therefore epsilon = Kepsilon_(0) = 81 xx 8.86 xx 10^(-12) C^(2)N^(-1)m^(-2)`


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