Question
Asked Oct 23, 2019
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A voltage V across a resistance R generates a current I=V/R. If a constant voltage of 6 volts is put across a resistance that is increasing at a rate of 0.2 ohms per second when the resistance is 6 ohms, at what rate is the current changing?

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Expert Answer

Step 1

A voltage V across a resistance R generates a currentI=V/R. V is constant and is 6 volts

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I = AR R

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Step 2

Now, we find dI/dt and substitute R...

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6 dR R2 dt dt di 6 -(0.2)=-0.033Als dt

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Tagged in

Math

Calculus

Derivative