write three formul of electric power .A nd it's derivation.
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Formula of power can be written using variables namely energy represented by E, voltage represented by V, current represented by I, time represented by t and resistance represented by R.Formula of power using current and resistance - P = I²R.
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The formula goes P = VI, and it is given in the electricity chapter of the book. In the formula, P = VI, p stands for power, V stands for potential difference, and I stands for current. ... Here, R is for Resistance, V is for potential difference, and l is for current.
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