The self inductance ' 
' of a solenoid of length ' 
' and area of cross-section ' 
' with a fixed number of turns ' 
, increases as
A
decreases and 
increases
B
both 
and 
decrease
and decrease
C
both 
and 
increase
and increase
D
increases and 
decreases.
Text Solution
Verified by ExpertsThe correct answer is:
A
The self inductance ' 
' of a solenoid of length ' 
' and area of cross-section ' 
' with 
number of turns is,
From equation (i), ' 
' will be increases when area increases and ' 
' decreases.
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