Two wires, each of radius r, but of different materials are connected together end to end. If the densities of charge carriers in the two wires are in the ratio 1:4, the ratio of the drift velocity of electrons in the two wires will be . .

1:2

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2:1

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1:4

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4:1

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Solution

The correct option is D 4:1
We know that drift velocity is inversely proportional to density of charge carriers.

Hence, ratio of drift velocity is $4 : 1$ .

Answer-(D)

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Two wires, each of radius r, but of different materials are connected together end to end. If the densities of charge carriers in the two wires are in the ratio 1:4, the ratio of the drift velocity of electrons in the two wires will be . .

The correct option is D 4:1We know that drift velocity is inversely proportional to density of charge carriers.Hence, ratio of drift velocity is 4:1.Answer-(D)

The correct option is D 4:1
We know that drift velocity is inversely proportional to density of charge carriers.

Hence, ratio of drift velocity is $4 : 1$ .

Answer-(D)