Physics 7408: Engineering Physics(OPTION) Topical Past Paper Questions
AQA A Level Physics (7408) past-paper questions on Engineering Physics(OPTION), free. This topic is frequently examined across 8 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The Lenoir engine was the first successful internal combustion engine. Figure 6 shows the basic form of the Lenoir engine. The piston rod drives a crankshaft which is not shown. The fuel is a mixture of gas and air. Figure 6 Figure 7 shows an indicator diagram for the space L, ta…
Figure 9 shows an ideal heat engine. Figure 9 The engine operates between a source at a temperature of 730 K and a sink at a temperature of 290 K. The input power is 16.0 kW and the power rejected to the sink is 6.4 kW. Calculate the efficiency of this engine. efficiency = $ \und…
Figure 6 shows a low-voltage solid-state thermoelectric cooling element. The element is a square of side 40 mm and is 4 mm thick. Figure 6 Figure 7 shows how the element is used as part of a thermoelectric refrigerator to keep small quantities of medicine at a low temperature. Fi…
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