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Write an expression for self inductance ...

Write an expression for self inductance of a long solenoid.

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To derive the expression for the self-inductance \( L \) of a long solenoid, we can follow these steps: ### Step 1: Understand the Concept of Self-Inductance Self-inductance is a property of a coil (or solenoid) that quantifies how much electromotive force (EMF) is induced in the coil due to a change in current flowing through it. ### Step 2: Define Magnetic Flux The magnetic flux \( \Phi \) through one turn of the solenoid is given by: \[ ...
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