A wire of fixed length is wound on a solenoid of length`l` and redius `r`. Its self-inductance is found to be `L`. Now, if the same wire is wound on a solenoid of length `l//2` and redius `r//2` then the self-inductance will be

A wire of fixed length is wound on a solenoid of length l and radius r . Its self-inductance is found to be L . Now, if the same wire is wound on a solenoid of length l//2 and radius r//2 then the self-inductance will be

A wire of fixed length is wound on a solenoid of length l and radius r, its self inductance is found to be L. If same wire is wound on a solenoid of length l/3 and radius r/3 , then self inductance will be

A thin copper wire of length 100m is wound as a solenoid of length (l) and radius (1) its self inductance is found to be L. Now if same length of wire is would as a solenoid of length (I) of radius (). Then its self inductance will be A 4L B 2L C L DL/2

The length of a wire required to make a solenoid of length l and self - induction L is

The number of turns of a solenoid of length l and area of cross-section A is N. The self-inductance L increases as

On making a coil of copper wire of length  and coil radius r, the value of self inductance is obtained as L. If the coil of same wire, but of coil radius r/2, is made, the value of self inductance will be-

A solenoid of length l metre has self-inductance L henry. If number of turns are doubled, its self-inductance

A solenoid of length l metre has self-inductance L henry. If number of turns are doubled, its self-inductance

The length and radius of a solenoid of N turns are l and r respectively. The self-inductance of the solenoid is