In (Figure 1), the rod moves with a speed of 1.6 m/s on rails 29.0 cm...

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Physics

In (Figure 1), the rod moves with a speed of 1.6 m/s on rails29.0 cm apart. The rod has a resistance of 2.1 Ω . The magneticfield is 0.31 T , and the resistance of the U-shaped conductor is26.0 Ω at a given instant.

Part A Calculate the induced emf

Part B Calculate the current in the U -shaped conductor.

Part C Calculate the external force needed to keep the rod'svelocity constant at that instant.

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