Asked by Sam

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?

Answers

Answered by bobpursley
i=V*r^-1
di/dt= -V/r^2 * dr/dt
Answered by Sam
Thanks for nothing
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