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    Physics help needed!

    please answer this question step by step, thanks A wire of length ( 20±0.05 ) cm and diamater of cross-sectional ( 5±0.01 ) mm is connected in a circuit to find its specific resistance. the readings on the meters are (20±0.01)mA and (5.0±0.05)V respectively. find i) resistance of the wire ii)...
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