Consider the magnetic circuit has a length of 0.6 m an area of 0.0018 m2 and a single airgap of length 2.3 mm. The circuit is energised by a coil. If the core permeability is 1000, by making suitable approximations calculate: (i) the number of turns required to achieve an inductance of 12 mH; (ii) the inductor current which will result in a core flux density of 1.0 T; (iii) A particular application uses the same magnetic core but requires the airgap flux density to be increased by a factor of 1.5 while maintaining the inductance below 17mH. Design a magnetic circuit to do this. (iv) For your design, determine the maximum RMS voltage that can be applied to the coil to ensure that the peak flux remains below 1.5 T

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DESCRIPTION===  solution of this question is:- SoluctionGiven.Length of magnetic circuit =0.6m.Area of magnetic circuit =0.0018m^(2)Length of airgap =2.3mmCore permeability =1000(i) Ipiductanci =12mHNow,{:[R_(g)=(5)/(mu_(0)A_(c))quad" Where "mu_(0)rarr" Permeability constant "],[" Ac "rarr" Area of circult. "],[$rarr" length of a ... See the full answer