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A circular wire of length 0.1 m is touch...

A circular wire of length 0.1 m is touching the surface of the liquid of surface tension `3xx10^-2` N/m. The mass of the wire is `10^-4 kg.` if g `= 10m//s^2,` then the force needed to lift the circular wire is

A

`7xx10^-3 N`

B

`0.7xx10^-3 N`

C

`0.07xx10^-3 N`

D

`70xx10^-3 N`

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