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In a meter bridge circuit, the two resis...

In a meter bridge circuit, the two resistances in the gap are `5 Omega` and `10 Omega`. The wire resistance is `4 Omega`. The emf of the cell connected at the ends of the wire is `5 V` and its internal resistance is `1 Omega`. What current will flow through the galvenometer of resistance `30 Omega` if the contact is made at the midpoint of wire ?

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