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Q: Two solenoids of equal number of turns have their lengths and the radii in the same 1 : 2. The ratio of their self inductances will be:
  • A. 1 : 2
  • B. 2 : 1
  • C. 1 : 1
  • D. 1 : 4
Correct Answer: Option A -
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Explanations:

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