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→Finding Resistance from Potential Difference and Current
<math>R=\frac{5.4}{0.13 \times 10^{-3}}</math>
<math>R=41538.46\OhmOhms</math>
<math>R\approx 42000\OhmOhms</math>
| style="height:20px; width: 300px; text-align:left;" |'''3. [[Rearrange (Maths)|Rearrange]] the equation and [[Solve (Maths)|solve]].'''
<math>R=\frac{9}{23 \times 10^{-3}}</math>
<math>R=391.3043\OhmOhms</math>
<math>R\approx 390\OhmOhms</math>
|}