1. 1995 Q11 P1
You are provided with a charged electroscope, an insulator and a conductor. Describe how you would use these apparatus to distinguish in the insulator from the conductor (2 marks)
2. 2001 Q9 P1
Fig. 7 shows “windmill” which when connected to the dome of a positively charged Van de Graff generator is observed to rotate as indicated. A, B, C and D are sharp points
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