a copper wire has a diameter 0.5mm and resistivity 0.000000016ohm-m what will be the length of this wire to make the resistance of 12ohm
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pramila5:
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Q.14. (a)
Calculate the number of molecules present in 4.4g of C*O_{2} [At Mass: C = 12 O=16 u,N A =6.02*10^ 23 mol-^ 1 ] search it
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