An iron ring of mean length 50 cm and csa 08 cm2 is wound, Ask an Expert

Engineering

An iron ring of mean length 50 cm and csa 0.8 cm2 is wound with a coil of 350 turns. A current of 0.5 A through the coil produces a flux density of 0.6 T in the ring. Calculate

(a) the relative permeability of the ring,

(b) the inductance of the coil, and

(c) the value of the induced emf if the current decays to 20% of its original value in 0.01 s, when the current is switched off .

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92093840

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