Q. Which of the following statements is/are correct?
  1. When a glass rod is rubbed with silk, a negative charge develops on silk.
  2. When an ebonite rod is rubbed with fur, a negative charge develops on fur.
Select the correct option from the codes given below:

Answer: Only 1
Notes: When glass rod is rubbed with silk, positive charge develops on the glass rod and negative charge on silk. When ebonite rod is rubbed with fur, negative charge develops on the ebonite rod and positive charge on fur. Thus, only statement 1 is correct.
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