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Two conducting wires X and Y of same diameter but different materials are joined in series across a battery. If the number density of electrons in X is twice that in Y, find the ratio of drift velocity of electrons in the two wires

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Q1
Two conducting wires X and Y of same diameter but different materials are joined in series across a battery. If the number density of electrons in X is twice that in Y, find the ratio of drift velocity of electrons in the two wires
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Q2

Two conducting wires X and Y of the same diameter but different materials are joined in series across a battery. If the number density of electrons in X is twice that in Y, find the ratio of the drift velocity of electrons in the two wires.


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Q3
Two conducting wires $$X$$ and $$Y$$ of same diameter but different materials are joined in series across a batter. If the number density of electrons in $$X$$ is twice that in $$Y$$, find the ratio of drift velocity of electrons in the two wires.
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Two wires each of radius of cross section r but of different materials are connected together end to and (i.e. in series).
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Q5
Two wires , each of the radius r but of different materials are connected together end to end (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 of.
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