Atransformer has 18 turns of wire in its primary coil and 90 turns in its secondary coil. an alternating voltage with an effective value of 110 v is applied to the primary coil. at the secondary coil, an alternating voltage with an effective value of 550 v is obtained. a current of 29 a is supplied to the primary coil of the transformer. calculate the maximum effective current in the secondary coil. the maximum effective current in the secondary coil is a.