Question 2 [25 marks] A metal sphere with a radius of 5 cm sits on a wooden tripod and carries a charge of-30 nC (Fig.2a

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Question 2 25 Marks A Metal Sphere With A Radius Of 5 Cm Sits On A Wooden Tripod And Carries A Charge Of 30 Nc Fig 2a 1 (18.05 KiB) Viewed 44 times

Question 2 25 Marks A Metal Sphere With A Radius Of 5 Cm Sits On A Wooden Tripod And Carries A Charge Of 30 Nc Fig 2a 2 (23 KiB) Viewed 44 times

Question 2 [25 marks] A metal sphere with a radius of 5 cm sits on a wooden tripod and carries a charge of-30 nC (Fig.2a). i А B
Fig. 2 [10 mark] a) Explain briefly all the possible methods the sphere can be charged. b) Find the magnitudes of the potential and electric field at: iſ at the center inside the sphere. Justify your answer. ii) at a point 10 cm away from the surface of the sphere. c) Suppose another sphere carrying a charge of -35 nC is brought to the first sphere (Fig.2b). The distance between the surfaces of the spheres is 1 cm. Find the magnitude of the generated electrostatic force on sphere A due to sphere B [5 marks] [5 marks] [5 marks]