Science Equation               Name Power         Equation P = V ⁢ I = V 2 R = I 2 R         Definition of terms P = power, V = voltage, I = current, R = resistance         Comments   Assuming that the voltage and current are in phase, the power developed in a circuit is equal to the product of the voltage and current. Applying Ohm's Law gives us the final two relations.         References Electricity and Magnetism , BI Bleaney, B Bleaney, OUP, 3rd edition, 1976             [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] Download | Contact | About

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