Power 2.0 / 5 based on 1 rating ? PhysicsEnergyGCSEAQA Created by: Paulina Aleksandra ReczkowskaCreated on: 18-12-12 13:19 potential difference across components(in volts) = work doneORenergy transferred / charge(in coulombs) 1 of 6 Equation for Power-1. Power(W)= Energy(work done)(J) / Time(s) 2 of 6 Equation for Power-2. Power(W)=current(A)x Voltage(v) 3 of 6 1.Fuse for a 1.5A lamp? 2. Fuse for a 4.5A toaster? 3.Fuse for a 10A microwave? 4. Fuse for a 40A car? 1. 3A 2. 5A 3. 13A 4. CIRCUIT BREAKER! 4 of 6 Equation for energy transferred? Energy transferred(J)=voltage(V)xcharge(C) 5 of 6 Energy transferred when voltage is 120V and the charge is 2C? =120x2=240Joules 6 of 6
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