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March 27, 2017

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A coil of wire with 200 circular turns of radius of 3 cm is in a uniform magnetic field along the axis of the coil. the coil has R=40 ohms. At what rate, in Teslas per second, must the magnetic field be changing to induce a current of .150 A in the coil?

I don't know if I am using the wrong equation or what, but I can't get the right answer for this one

  • Physics - ,

    V = A N dB/dt

    N is the number of turns and A is the coil area.
    V = I R = 6 Volts

    Solve for the rate of change of B, dB/dt

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