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22 December, 09:05

What If? The coil and applied magnetic field remain the same, but the circuit providing the current in the coil is now changed. The new circuit has an emf of e m f = 20.0 V, and this allows a mass of 51.0 g added to the right side to balance the system. What is the value of the resistance R (in Ω) ?

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  1. 22 December, 11:02
    0
    Using equations

    R will be 1.25 Kilo ohm
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