AQA GCSE Physics equations: Unit 2 (Electricity)

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AQA GCSE Physics equations: Unit 2 (electricity)
R Lucas
Flashcards by R Lucas, updated more than 1 year ago
R Lucas
Created by R Lucas about 3 years ago
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Question Answer
What is the equation for charge flow? Charge flow = current x time Q = It
What is Ohm's law? (Equation for potential difference) Potential difference = Current x resistance V=IR
What is the total resistance of two resistors R1 and R2 in series? total resistance (series) = R1 + R2
What is the total resistors of two resistors R1 and R2 in parallel? 1/R(parallel) = 1/R1 + 1/R2
What is electrical power in terms of potential difference? Power = potential difference x current P=IV
What is electrical power in terms of resistance and current? Power = current^2 x resistance P=I^2 R
What is energy transferred in terms of power? Energy transferred = power x time E=Pt
What is energy transferred in terms of charge flow? charge flow x potential difference E=QV
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