There's nothing in the U.S. Constitution that bars anyone with dual citizenship from becoming president, but the simple fact that Cruz could claim a Canadian passport or one day vote in a parliamentary election is unlikely to sit well with those who were already doing their best to dub him Canadian Ted..
Definition of transformer: Device that converts an alternating (A/C) current of a certain voltage to an alternating current of different voltage, without change of frequency, by electromagnetic induction. A 'step up' ...
Dictionary of Construction. An electric device with two or more coupled windings, with and without a magnetic core, for introducing mutual coupling between circuits; generally used to convert a power supply at one voltage to another voltage. Picture of transformer.