Physics formulae symbols (igcse edexcel electricity and circuits)

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Last updated 11:23 AM on 7/31/26
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20 Terms

1
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Work done equation
W=Fd
2
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Power equation
P=W/t
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Power equation (energy transferred)

P=E/t

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Energy transferred equation (power)

E=Pt

5
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Energy transferred equation (work done)

E=W

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Gravitational potential energy equation
GPE=mgh
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Kinetic energy equation
KE=1/2mv²
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Efficiency equation
efficiency=(useful energy output/total energy input)×100%
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yes

yes

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Current equation (charge)

I=Q/t

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Charge equation
Q=It
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Potential difference equation (energy transferred)

V=E/Q

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Energy transferred equation
E=QV
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Resistance equation
R=V/I
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Potential difference equation
V=IR
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Power equation (current)

P=IV

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Energy transferred equation (current)

E=IVt

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Series circuit rule
current is the same at all points
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Series circuit rule 2nd

voltage is shared between components

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Parallel circuit rule

voltage is the same on all branches