• 9702 November 2018 Paper 42 Worked Solution | A-Level Physics

Question 5
In radio communication, the radio wave is usually modulated. State what is meant by amplitude modulation (AM ).




Question 8
A stiff copper wire is balanced horizontally on a pivot, as shown in Fig. 8.1.

Question 9

A Hall probe is placed near one end of a solenoid that has been wound on a soft-iron core, as shown in Fig. 9.1.