NEETPhysics-Electromagnetism
NEET Physics Inductance MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The self inductance L of a solenoid of length l and area of cross-section A, with a fixed number of turns N increases as
A
l and A increase
B
l decreases and A increases
C
l increases and A decreases
D
both l and A decrease
Correct Answer
Option B
Detailed Explanation
Self inductance L = μ₀N²A/l, so it increases with decreasing l and increasing A.
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