An air-cored soleniod of 250 turns has a cross-sectional area A = 80 c – McqOptions

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1.	An air-cored soleniod of 250 turns has a cross-sectional area A = 80 cm2 and length l = 100 cm. The value of its inductance is
A.	0.425 mH
B.	0.628 mH
C.	0.751 mH
D.	0.904 mH
Answer» C. 0.751 mH

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