STANDARDPhysics-Electromagnetic Induction
STANDARD Physics Self 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
The self inductance L = μ₀N²A/l. It increases with an increase in A and a decrease in l.
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