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In a solenoid number of turns are N and ...

In a solenoid number of turns are N and a current I is passing through it. If diameter of the selenoid is D. find out the energy per unit length in the selenoid.

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To find the energy per unit length in a solenoid with N turns and a current I passing through it, we can follow these steps: ### Step 1: Determine the Magnetic Field Inside the Solenoid The magnetic field \( B \) inside a solenoid is given by the formula: \[ B = \mu_0 n I \] where: ...
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