Physics 2 Quiz
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A straight conducting rod of length L=0.50 mL = 0.50 \text{ m} slides along two parallel, frictionless conducting rails separated by the same distance LL. The rails lie in the horizontal plane and are connected at one end by a resistor R=4.0 ΩR = 4.0 \ \Omega. A uniform magnetic field B⃗\vec{B} is directed at an angle θ=30°\theta = 30° below the horizontal, with magnitude B=2.0 TB = 2.0 \text{ T}. The rod moves along the rails with constant velocity v=3.0 m/sv = 3.0 \text{ m/s} perpendicular to its own length.
What is the magnitude of the current through the resistor?
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