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Consider a solenoid of length \(l\) and area of cross-section A with fixed number of turns. The self-inductance of the s…

Q1

Consider a solenoid of length \(l\) and area of cross-section A with fixed number of turns. The self-inductance of the solenoid will increase if :

a

both \(l\) and A are increased

b

\(l\) is decreased and A is increased

c

\(l\) is increased and A is decreased

d

both \(l\) and A are decreased

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