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level: Unit 2: Electricity

Questions and Answers List

level questions: Unit 2: Electricity

How do you calculate charge flow?Charge flow = current . time
How do you calculate potential difference?Potential difference = current . resistance
How do you calculate total resistance?Total resistance = resistance of component 1 + resistance of component 2
What are the two equations for calculating power?Power = potential difference . resistance Power = (current)^2 . resistance
What are the two equations for energy transferred?Energy transferred = power . time Energy transferred= charge flow . time