If 'N' is the number of turns in a circular coil, the value of its self inductance varies as

If 'N' is the number of turns in a circular coil, the value of its self inductance varies as
  1. $\mathrm{N}^{3}$
  2. $\mathrm{N}^{2}$
  3. $\mathrm{N}^{0}$
  4. $\mathrm{N}^{1}$

Solution

Self inductance of a solenoid $=\frac{\mu_{0} \mathrm{~N}^{2} \mathrm{~A}}{\ell}$

Asked in: MHT CET 2020 (13 Oct Shift 1)

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