Topic 13 0.0 / 5 ? PhysicsDC currentsASAQA Created by: Jemma1494Created on: 07-06-21 14:11 Power equation P = IV = I^2R 1 of 7 Internal resistance Resistance within a cell or battery 2 of 7 Internal resistance equation (Energy) ℰ = E/Q 3 of 7 Internal resistance equation (Power) P = ℰI 4 of 7 Internal resistance equation (Current) ℰ = Ir + IR ℰ = Ir + V 5 of 7 Diode Only allows current to flow in ones direction 6 of 7 Potential divider Two or more resistors in series One controlled and one fixed To control the voltage to a component 7 of 7
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