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Two parallel conducting rails a distance 1 apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure www.it X X X X X X X ·X X X X X XX X X X X X X X X X X X X X X X X X X X X X X < 1 of 1 Part A Find an expression for the initial value of the current in the circuit. Express your answer in terms of some or all of variables B, l, E, and R. IVE ΑΣΦ I₁ = Submit Part B Request Answer V= ? The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, I, E, and R. 15 ΑΣΦ ?

Two parallel conducting rails a distance 1 apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure www.it X X X X X X X ·X X X X X XX X X X X X X X X X X X X X X X X X X X X X X < 1 of 1 Part A Find an expression for the initial value of the current in the circuit. Express your answer in terms of some or all of variables B, l, E, and R. IVE ΑΣΦ I₁ = Submit Part B Request Answer V= ? The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, I, E, and R. 15 ΑΣΦ ?

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Two parallel conducting rails a distance l apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it.

Two parallel conducting rails a distance 1 apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure X X X X X www.it X X R X X -X X X X X X X X X X X X X X X X B X X X X X X X X X X X X X X X < 1 of 1 Part A Find an expression for the initial value of the current in the circuit. Express your answer in terms of some or all of variables B, 1, E, and R. 15 ΑΣΦΑΦ I₁ = Submit Part B Request Answer V = The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, I, E, and R. 20 [5] ΑΣΦ ? ?
Transcribed Image Text:Two parallel conducting rails a distance 1 apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure X X X X X www.it X X R X X -X X X X X X X X X X X X X X X X B X X X X X X X X X X X X X X X < 1 of 1 Part A Find an expression for the initial value of the current in the circuit. Express your answer in terms of some or all of variables B, 1, E, and R. 15 ΑΣΦΑΦ I₁ = Submit Part B Request Answer V = The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, I, E, and R. 20 [5] ΑΣΦ ? ?
Two parallel conducting rails a distance I apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure X X X X X www X X X X X X X X X X X X X X X X B n X X X X X X X X xx X X X X X X X 1 of 1 > The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, l, E, and R. v= Submit Part C If = VO VE ΑΣΦ Submit What is the current in the circuit once the bar is moving at constant speed? Express your answer in terms of some or all of variables B, 1, E, and R. Request Answer IΫΠ ΑΣΦ Provide Feedback ? Request Answer ?
Transcribed Image Text:Two parallel conducting rails a distance I apart are connected at one end by a resistance R in series with battery of emf E. A conducting bar completes the circuit, joining the two rails electrically but free to slide along them. The whole circuit is perpendicular to a uniform magnetic field B, as shown in (Figure 1). The bar is initially at rest, and nothing is pulling it. Figure X X X X X www X X X X X X X X X X X X X X X X B n X X X X X X X X xx X X X X X X X 1 of 1 > The bar eventually reaches a constant speed. Find an expression for this speed. Express your answer in terms of some or all of variables B, l, E, and R. v= Submit Part C If = VO VE ΑΣΦ Submit What is the current in the circuit once the bar is moving at constant speed? Express your answer in terms of some or all of variables B, 1, E, and R. Request Answer IΫΠ ΑΣΦ Provide Feedback ? Request Answer ?
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