

Inductors - Technical MCQs
Q1: What is hysteresis?A lead between cause and effect
B lag between cause and effect
C lead between voltage and current
D lag between voltage and current
ANS:B - lag between cause and effect Hysteresis is graph b/w magnetizing current (x-axis) and magnetism (on y-axis) whenever current changes it produces magnetic field. In transformer for example current changes in primary coil (which is cause) and as a result magnetic field is induced in iron core and in secondary coil (which is effect) so magnetism lags behind magnetizing current. |


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