Question

A 47Ω47\Omega resistor in a circuit has an 8 V8\mathrm{~V} voltage difference across its leads. How much current flows through this resistor?

Solution

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Answered 1 year ago
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In this problem we have to calculate the current through a resistor R=47ΩR=47\,\mathrm{\Omega} if a voltage difference across it is ΔV=8V\Delta V=8\,\mathrm{V}.

To calculate the current through this resistor, we will use the Ohm's law:

I=ΔVRI=847I=0.17A\begin{aligned} &I=\frac{\Delta V}{R} \\ &I=\frac{8}{47} \\ &\boxed{I=0.17\,\mathrm{A}} \end{aligned}

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