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→Example Calculations
| style="height:20px; width:300px; text-align:center;" |A [[Electrical Kettle|kettle]] is plugged into the [[Mains Electricity|mains supply]] which operates at 230V. It receives a current of 9.2Amps Calculate the power of the kettle correct to two [[Significant Figures|significant figures]].
|-
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantitiesin [[SI Unit]]s'''
I = 625mA = 0.625A
V = 96V
| style="height:20px; width:300px; text-align:left;" |'''1. State the known quantitiesin [[SI Unit]]s'''
I = 9.2A