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→Example Calculations
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| style="height:20px; width:300px; text-align:center;" |'''A student [[measure]]s a [[Potential Difference|potential difference]] of 5.9[[V]] 9V across a [[component]] and a [[Electrical Current|current]] of 0.11[[A]]11A. Calculate the resistance correct to two [[Significant Figures|significant figures]].'''
| style="height:20px; width:300px; text-align:center;" |'''Calculate the resistance of a [[buzzer]] connected in [[Series Circuit|series]] to a 9V [[battery]] with an [[ammeter]] reading of 23mA correct to two [[Significant Figures|significant figures]].'''
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