(C) A coil of 400 turns is wound uniformly on an annealed steel core with a mean circumference of 0.2 m and a cross sectional area of 3x10-4 m2. The resistance of the coil is 10 Q and the voltage developed across the coil is 14 V. The relative permeability of an annealed steel is 900 and the permeability of free space is given as 4n x 10-7 H/m. Calculate the following: (i) Reluctance of the coil (ii) Magnetomotive force; (iii) Magnetic flux of the coil.
(C) A coil of 400 turns is wound uniformly on an annealed steel core with a mean circumference of 0.2 m and a cross sectional area of 3x10-4 m2. The resistance of the coil is 10 Q and the voltage developed across the coil is 14 V. The relative permeability of an annealed steel is 900 and the permeability of free space is given as 4n x 10-7 H/m. Calculate the following: (i) Reluctance of the coil (ii) Magnetomotive force; (iii) Magnetic flux of the coil.
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Transcribed Image Text:(C) A coil of 400 turns is wound uniformly on an annealed steel core with a mean circumference of 0.2 m
and a cross sectional area of 3x10-4 m2. The resistance of the coil is 10 Q and the voltage developed
across the coil is 14 V. The relative permeability of an annealed steel is 900 and the permeability of free
space is given as 47n x 10-7 H/m. Calculate the following: (i) Reluctance of the coil (ii) Magnetomotive
force; (iii) Magnetic flux of the coil.
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