Answer Posted / hemanth

Practically IMPOSSIBLE..
ONLY CHANGE IN FLUX LINKED can INDUCE EMF in a coil
In case of DC..FLUX REMAINS CONSTANT AND NO EMF IS INDUCED..

NOTE:
There will be a momentary raise in voltage in secondary when
switching ON or OFF because sudden change in flux linkage..
THIS MIGHT DAMAGE THE WINDING...

Source: Theory and performance of electrical machines by
J.B.GUPTA

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