define power IN physics..
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In physics, power is the rate of doing work or of transferring heat, i.e. the amount of energy transferred or converted per unit time. Having no direction, it is a scalar quantity. ... The output power of an electric motor is the product of the torque that the motor generates and the angular velocity of its output shaft.
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Ohm's law equation (formula): V = I × R and the powerlaw equation (formula): P = I × V. P = power, I or J = Latin: influare, international ampere, or intensity and R = resistance. V = voltage, electric potential difference Δ V or E = electromotive force (emf = voltage)
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