please show all of the work. thank you.


please show all of the work. thank you. A transformer has 490 turns in the primary...
A transformer has 480 turns in the primary coil, which provides 1280 V at 8.4 A. If the secondary coil operates at 580 V, how many turns are in the secondary coil? A transformer has 480 turns in the primary coil, which provides 1280 V at 8.4 A. If the secondary coil operates at 580 V, how many turns are in the secondary coil? 1500 7.3×104 220 1100
A transformer has 490 turns on its primary. An AC source supplies 120 Vrms on the primary and the transformer delivers 9.0 V on its secondary. How many turns are on the secondary? Consider again the transformer described in the problem above. If 25 mA of current is going into the primary, what current is being drawn at the secondary? Please explain/show your work!
A transformer has 450 turns in the primary coil which
provides 1220 V at 8.0 A. If the secondary coil operates at 510 V
what is a current of the secondary coil?
19 A 3.3 A 9.1 A 07.1A
A transformer has 490 turns in the primary coil and 140 in the secondary coil. Part A What kind of transformer is this? A. step-up B. step-down Part B By what factor does it change the voltage? Assume 100% efficiency. Part C By what factor does it change the current?
1. A transformer with a primary coil of 1200 turns and a secondary coil of 120 turns has 240 V connected to its primary. What is the output voltage?
A transformer changes 120 V across the primary to 1200 V across the secondary. If the secondary coil has 1556, how many turns does the primary coil have?
A transformer with 1200 turns on the primary is used to increase the voltage amplitude of 120 V to 600 V 6. a) What is the number of turns on the secondary coil? Answer: b) If the current in the primary coil is 5.6 A, what is the current amplitude in the secondary coil? Answer:
An ideal step-down transformer has a primary coil of 370 turns and a secondary coil of 22 turns. Its primary coil is plugged into an outlet with 115 V, from which it draws a current of 0.29 A. (a) What is the voltage in the secondary coil? (b) Calculate the current in the secondary coil? (c) Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
An ideal step-down transformer has a primary coil of 400 turns and a secondary coil of 25 turns. Its primary coil is plugged into an outlet with 110 V(AC), from which it draws an rms current of 0.83 A. 1.)What is the voltage in the secondary coil? 2.)Calculate the rms current in the secondary coil. 3.)Assuming that the transformer secondary is driving a resistive load, calculate the average power dissipated in the resistor.
A transformer has 500 turns of wire wrapped around the primary coil and 75 turns of wire wrapped around the secondary coil. If the input voltage on the primary side is 120 V what will be the output voltage of the transformer? 500 V 75 V 18 V 50 V 800 V