+50 Certain device has an ideal transformer with 30 turns in its primary and 1050 turns in its secondary. (a) What type of transformer is this? (b) If the device is plugged to a 112-V wall socket, power in the primary coil is 112 W when the device is truned on. (c) Find (i) the voltage across the secondary coil, (ii) the current in the secondary coil, and (iii) the average power delivered to the secondary coil. (d) If the primary voltage is doubled and the number of turns in the primary coil is tripled, (i) what must be the number of turns in the secondary coil if the secondary voltage is to remain the sam, and (ii) what must be the currents in the primary and secondary coil if the power is to remain the same in the primary coil?
