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what is self induction? define self inductance and calculate it for long solenoid of length l number of turns N and radius r


Alee khan Chomal 30th Nov, 2020
Answer (1)
Subhrajit Mukherjee 30th Nov, 2020

Self inductance is defined as the induction of a voltage in a current-carrying wire when the current in the wire itself is changing. In the case of self - inductance , the magnetic field created by a changing current in the circuit itself induces a voltage in the same circuit. Therefore, the voltage is self - induced .

If you are student in college , follow the griffith's electrodynamics book for the proof of long solenoid and if not then search HCV , you will surely get a guidance.

We have no scope to derive this here.

Have a great eve!

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