A coil is wound as a transformer of rectangular cross section. If all the linear dimension of the transformer are increased by a factor `2` and the number of turns per unit length of the coil remain the same, the self-inductance increased by a factor of

A coil is wound on a transformer of rectangular cross-section. If all the linear dimensions of the transformer are increased by a facter 2 and the number of turns per unit length of the coil remains the same, the self inductance increases by a factor of

A coil is wound on a frame of rectangular cross - section. If all the linear dimensions of the frame are increased by a factor 2 and the number of turns per unit length of the coil remains the same, self - inductance of the coil increases by a factor of

A coil is wound on a frame of rectangular cross - section. If all the linear dimensions of the frame are increased by a factor x and the number of turns per unit length of the coil remains the same, self - inductance of the coil increases by a factor of

A coil is wound on a frame of rectangular crosssection. If all the linear dimensions of the frameare increased by a factor 2 and the number ofturns per unit length of the coil remains the same,then the self-inductance of the coil will increaseby a factor o

A solenoid wound over a rectangular frame. If all the linear dimensions of the frame are increased by a factor 3 and he number of turns per unit length remains the same, the self inductance increased by a factor of

A solenoid wound over a rectangular frame. If all the linear dimensions of the frame are increased by a factor 3 and he number of turns per unit length remains the same, the self inductance increased by a factor of