1.

A transformer on no-load is switched on to a source of voltage. It will draw a current _______

A. which is the same as the steady-state magnetizing current
B. which is several times the steady-state magnetizing current, depending upon the initial state of the residual flux in the transformer core
C. which is several times the steady-state magnetizing current, independent of the initial state of the residual flux in the transformer core
D. which is twice the steady-state magnetizing current provided the core has no residual flux
Answer» C. which is several times the steady-state magnetizing current, independent of the initial state of the residual flux in the transformer core


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