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.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Power of electrical components
How to use two different equations to calculate the power of components in electrical circuits?
P = IV
P = I2R
An explanation of what power is, and a derivation of the three formulae for electrical power.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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