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why voltages are multiple of 11 or 1.1???describe with
derivation plzzz.thanks
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Answer Posted / osho katyal
phi= phi max sin wt
d(phi)/dt=phi max cos wt
E=-d N (phi)/dt
E=- phi max cos wt w N
E=- (phi peak/sqrt2) 2 pie f N cos wt
E=-phi peak Sqrt2 pie f N cos wt
E=-4.44 phi peak F N cos wt
- indicates back emf for primary windings,cos wt = 0 at t=o
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