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EAMCET Engineering 2003 Solved Paper

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Question : 23

Total: 160

A galvanometer, having a resistance of 50Ω, gives a full scale deflection for a current of 0.05A. The length in metre of a resistance wire of area of cross-section 2.97×10−2cm2 that can be used to convert the galvanometer into an ammeter which can read a maximum of 5A current is :
(Specific resistance of the wire =5×10−7Ω−m)

9
6
3
1.5

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