Two wires each of radius of cross section r but of different materials – McqOptions

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1.	Two wires each of radius of cross section r but of different materials are connected together end to end (i.e. in series). If the densities of charge carriers in the two wires are in the ratio 1:4, the drift velocity of electrons in the two wires will be in the ratio
A.	1 : 2
B.	0.0840277777777778
C.	4 : 1
D.	0.0444444444444444
Answer» D. 0.0444444444444444

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