Electrical Power


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IGCSE Physics Lessons
Math Worksheets




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A series of free GCSE/IGCSE Physics Notes and Lessons.

Power of electrical components
How to use two different equations to calculate the power of components in electrical circuits?
P = IV
P = I2R




Electrical power (P = IV = I2R = V2/R)
An explanation of what power is, and a derivation of the three formulae for electrical power.

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