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Standard X

Physics

Current and Drift Velocity

Two wires, ea...

Question

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)