Question

The magnetic field onside long solenoid a)0 b)ni
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Answer 1

Answer:

A solenoid is a long coil of wire wrapped in many turns. When a current passes through it, it creates a nearly uniform magnetic field inside. ... The energy density of the magnetic field depends on the strength of the field, squared, and also upon the magnetic permeability of the material it fills.

Answer 2

0 or constant is the answer

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