ps across 01 2 3 1 1 3 loto 3 2 2 4 lo 1 The density of a piece of a metal of atomic weight 60 is 5 x 103 kg m and resistivity 2 108 m Given that Avogadro s number N 6 10 mol and e 1 6x10 19 C What is the mobility of electrons in the piece of metal Consider one free per atom A 1 5 25 x 10 8 m s v1 2 6 25 x 10 10 m 1v1 3 5 25 10 10 m s 1 4 6 25 x 10 3 m s 1 The resistance of a carbon resistor having colours as in the given diagram is 5 3 2R 3 3R 2 B A 2 3 4 R A conductor with rectangular cross se dimensions a x 2a x 4a as shown i Resistance across AB CD and EF respectively Then 4a 2 10 C 2a a LL
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