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A solenoid has a core of a material with...

A solenoid has a core of a material with relative permeability `400`. The windings of the solenoid are insulated from the core and carry a current of `2A`. If the number of turns is `1000` per metre, calculate (i) H (ii) B (iii) Intensity of magnetisation I, and the magnetising current.

Text Solution

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The magnetic field B is given by
`B=mu_(r)mu_(0) H = 400xx 4pix×10^(-7) (N//A^(2))xx2xx10^(3)(A//m)`=1T
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