Question

(10. f N is the number of turns in a coil, then self
inductance varies as
(1) NO
(2) N²
(3) Ni
(4) N-2​

Answer 1

Answer:

here is ur answer

2) N²

Explanation:

=> self inductance us directly proportional to number of turns of coil

Answer 2

Answer:

Self Inductance

L = N^2u°A/L

L ~ N^2

Derivation

Flux = L I

NBA = L I

B = u° ni

n = N/L. n= Turn density

L = N^2u°A/L

A - Area

L - Length

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