The magnetic field inside a long straight solenoid-carrying current

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The magnetic field inside a long solenoid is

The strength of the magnetic field around a long straight current carrying conductor :

An electron is moving with velocity vecv along the axis of a long straight solenoid carrying current 'I'. What will be the force acting on the electron due to the magnetic field of the solenoid?

The strength of the magnetic field inside a long current-carrying straight solenoid is

Derive equation of magnetic field inside a long straight solenoid.