Q. Self induction of a solenoid is
A) Directly proportional to current flowing through the coil
B) Directly proportional to its length
C) Directly proportional to area of cross-section
D) Inversely proportional to area of cross-section
Explanation
(c) $L = \mu_{0}N^{2}A/l$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.