The basic function of the transformer is to change: The frequency. The power factor. The power level. The level of the voltage. Clear my choice In a transformer, electrical power is transferred from one circuit to another without a change in: Voltage. O Frequency. Current. If the terminal voltage of 220-V dc generator having an armature resistance of 1 ohm. The induced emf produced is 200-V, The armature current for the above machine is? O 25 A. O 15 A. O 20 A. O 10 A. DC series motor should always be started with load connected to it: Select one: O True O False