Question

A solenoid has an area 'A' and length "L", number of turns per unit length 'n'. If B is the magnetic field, then magnetic energy stored in the solenoid is given by 1... ? B 2 con 2 1 B B 3. 16 ->2 2 Hon 1 B 4-L-) 2 Hon​

Answer 1

Answer:

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