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YOUR PARTICIPATION FOR THE GROWTH OF PHYSICS REFERENCE BLOG

Wednesday, August 7, 2019

9702 March 2018 Paper 42 Worked Solution | A-Level Physics

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




Question 7
The centres of two charged metal spheres A and B are separated by a distance of 44.0 cm, as shown in Fig. 7.1.



Question 8
Two properties of an ideal operational amplifier (op-amp) are infinite bandwidth and infinite slew rate.


Question 9
A thin slice of conducting material has its faces PQRS and VWXY normal to a uniform magnetic field of flux density B, as shown in Fig. 9.1.




Question 13
A small volume of solution containing the radioactive isotope sodium-24 (2411Na) has an initial activity of 3.8 × 104 Bq.





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