The secondary coil of a transformer has 440 turns, and produces an output AC voltage of 25.0 V when an input voltage of 9.00 V is applied to the primary. How many turns does the primary coil have?

A transformer has 1000 primary and 250 secondary turns. An alternating potential of 80 V is applied to the primary. What is the secondary potential? (in V) O9 V OV 20 V 400 V 110 V

A step-up transformer is designed to produce 1840 V from a 112-V ac source. If there are 384 turns on the secondary coil, how many turns should be wound on the primary coil?   The number of turns that should be wound on the primary coil is ____

A transformer has 100 turns on the primary and 300 turns on the secondary. The primary rms voltage is 12 V and the load is 30 ohms. Find the rms voltage across the load, the rms current through the load, and the rms current in the primary. O 36 V, 1.2 A, 3.6 A O 4V, 0.13 A, 0.4 A O 36 V, 0,4 A, 1.2 A O 36 V, 1.2 A, 1.2 A

You have a transformer with a primary current of 34A and a primary voltage of 1960V. The current in the secondary coil is 143A. What is the voltage of the secondary coil?  What is the ratio of loops in the secondary coil to loops in the primary coil?