An air core solenoid has 1000 turns and is one meter long. Its cross sectional area

An air core solenoid has 1000 turns and is one meter long. Its cross sectional area is 10 cm². Its self inductance is

(a) 0.1256 mH
(b) 12.56 mH
(c) 1.256 mH
(d) 125.6 mH

1.256 mH

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