04.3 Measure the energy transferred Accept 1 2×AO2 E = P t for fixed time intervals. 1 1×AO1 WS 2.2 Use power  1 if the time is doubled Accept for 2 marks They 1 AO3 04.4 are directly proportional. A the energy is roughly doubled 1 WS 3.5 graph would go through the origin
04.3 Measure the energy transferred for fixed time intervals. Use power  Accept E = P t 1 1 1 2×AO2 1×AO1 WS 2.2 04.4 if the time is doubled the energy is roughly doubled Accept for 2 marks They are directly proportional. A graph would go through the origin 1 1 AO3 WS 3.5