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The resistance of the four arms A, B, C ...

The resistance of the four arms A, B, C and D of a wheatstone bridge as shown in the figure are `10 Omega`, `20 Omega` ,`30 Omega` and `60 Omega` respectively . The emf and internal resistance of the cell are `15 V` and `2.5 Omega` respectively . If the galvanometer resistance is `80 Omega` then the net current drawn from the cell will be

A

`0.4 A`

B

`0.6 A`

C

`0.5 A`

D

`0.1 A`

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