A12-volt battery has been connected for a long time to an ideal transformer with 2000 turns on the primary side and 4000 turns on the secondary side. a transformer with a rectangular iron core. the primary side is on the left, and the secondary side is on the right. the number of primary turns is 2000 and is labeled capital n subscript p. the primary coil is connected in series to a 12 volt battery and a resistor. the number of secondary turns is 4000 and is labeled capital n subscript s. what is the voltage across the secondary coil? 0 v 6 v 24 v