The total number of turns and cross-section area in a solenoid is fixe – McqOptions

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1.	The total number of turns and cross-section area in a solenoid is fixed. However, its length L is varied by adjusting the separation between windings. The inductance of solenoid will be proportional to:
A.	L
B.	L2
C.	1/L2
D.	1/L
Answer» E.

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