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Cal

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A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing?

  • Cal - ,

    i=V*r^-1
    di/dt= -V/r^2 * dr/dt

  • Cal - ,

    Thanks for nothing

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