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Deriving an equation for the magnetic field inside a solenoid Question was: A very long solenoid...

Deriving an equation for the magnetic field inside a solenoid

Question was: A very long solenoid is made of closely-spaced loops with a radius R. If the solenoid carries a current I, find the magnetic field inside the solenoid.

Please explain the process in detail.

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Answer #1

So, the magnetic field inside a long solenoid depends on only n (number of turns per unit length), I (current through the solenoid) but it doesn't depend on the radius, R of the solenoid.

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