Physics, 13.02.2020 23:02 prestontu8883
Wire A has the same length and twice the radius of wire B. Both wires are made of the same material and carry the same current. Which of the following equations is true concerning the drift velocities vA and vB of electrons in the wires?a. vA = vB/4b. vA = vB/2c. vA = 4vBd. vA = vBe. vA = 2vB
Answers: 2
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Suppose that f : rn → rm and that a ∈ k, where k is a connected subset of rn . suppose further that for each x ∈ k there exists a δx > 0 such that f(x) = f(y) for all y ∈ bδx (x). prove that f is constant on k; that is, f(x) = f(a) for all x ∈ k
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Wire A has the same length and twice the radius of wire B. Both wires are made of the same material...
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