Question

Suppose now that the magnetic field is held constant at 20 mT and the copper bar is pushed to the left at a speed of [v] m/s.


A (conducting) metal bar of length L=20 cm is placed on metal rails as shown. The rails are connected by a wire with resistan
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Answer #1

a) UP

b) 25.4 *10^(-6) A = 25.4 uA

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