Physics B (Advancing Physics) H157: Sensing Topical Past Paper Questions

A teacher is demonstrating the effect of internal resistance on the current in a circuit. The experimental arrangement is shown in Fig. 26. Fig. 26 (a) Identify the independent variable, the dependent variable and the most significant variable that must be controlled in this expe…

Alex is planning an investigation which requires measurement of position which changes slowly with time. Alex decides to use a position sensor to monitor the changes. This sensor is a linear potential divider as shown in Fig. 8.1. As the plunger moves through its complete range,…

This question is about electric vehicles (EVs). electric car being charged fork-lift truck in use Fig. 7.1 (a) Modern electric cars use rechargeable batteries. The older fork-lift trucks, used on the flat floors of warehouses, also use rechargeable batteries. In each case, the ba…