Q. The self inductance of a coil is $L$. Keeping the length and area same, the number of turns in the coil is increased to four times. The self inductance of the coil will now be
A) $\frac{1}{4}L$
B) $L$
C) $4\ L$
D) $16\ L$
Explanation
(d) $L \propto N^{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.