In a single-phase transformer, the magnetizing current is
(A) in phase with the no-load current
(B) in quadrature with the no-load current
(C) the product of no-load current and power factor
(D) in phase with the flux in the core
(A) in phase with the no-load current
(B) in quadrature with the no-load current
(C) the product of no-load current and power factor
(D) in phase with the flux in the core