CBSE  /  Class 12  /  Physics  /  Electric Charges and Fields

  • 1. 
    1 V m-1 equals to:

  • 1 N
  • 1 Mm-1
  • 1 NC-1
  • 1 J-1

  • 2. 
    The minimum amount of charge observed so far is:

  • 1 C
  • 4.8 × 1-13 C
  • 1.6 × 10-19 C
  • 1.6 × 1019 C

  • 3. 
    The ratio of electric force between two electrons to the gravitational force between them is of the order:

  • 1042
  • 1039
  • 1036
  • 1
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