• 9702 November 2015 Paper 43 Worked Solutions | A-Level Physics

Question 6
Suggest an explanation for each of the following observations.




Question 7
A student is using a power supply that produces a sinusoidal output. The meters on the supply show that the output voltage V has a root-mean-square (r.m.s.) value of 14 V with a frequency of 750 Hz.



Question 10
The output potential VOUT from an operational amplifier is to be monitored using an output device.




Question 11
An X-ray source is placed on one side of a metal plate, as shown in Fig. 11.1.



Question 12
A transmission system for speech may be represented by the block diagram of Fig. 12.1.