502 j2 11 12 5:1 ww 50 /0 V Vi 22 For the circuit shown, the value of the secondary side of the ideal transformer V2 is .V. * O 43.5<1.04 49.8<-4.65 O 45.2<-8.54 9.59<-93.3 O 7.54<-87.6 O 10.56<-103.5 O 7.7<-95.6 none of the above

For the circuit shown in the figure i 20k 4k L1 10V 18K IL 80mh a) Find the mathematical expression for the current i, y and the voltage if actuate the switch at t = 0. b) Plot the resulting waveform for each of them. +

SOLVE STEP BY STEP IN DIGITAL FORMAT XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX  2. A transformer with a 10/1 turns ratio has a maximum flux density of 60,000 lines/in2, when the primary winding is connected to a 2300 V power supply at 60 cps.  What will be the maximum flux density if the secondary is connected to a 115 volt supply at 25 cps with the primary open?

Transformers

Which of the following statements is true about an ideal transformer? O It changes the magnitude of DC signals. O It converts DC signals into AC signals. O It changes the magnitude of AC signals. O It converts AC signals into DC signals.

(e) MaximumfAux- 13. A 1000 VA transformer has core loss of 15W and copper loss at half load of 5W. Calculate the full load efficiency at 0.9 pf lagging.

A 100 Kva transformer has 400 turns on the primary and 80 turns on the secondary. The primary and secondary resistances are 0.3 ohm and 0.01 ohm respectively , and the corresponding leakage reactances are 1.1 ohms and 0.035 ohm respectively. The supply voltage is 2200 V. The % VR and the secondary terminal voltage for full load 0.8 pf leading are: -1.44 and 330.29 V O 1.54 and 4467.7 V -1.54 and 446.77 V

A 480V/240V transformer has a rated current of 45 amps on the low voltage side. 1. Find the rated current on the high voltage side. 2. Find the Power rating S in VA 3. Find the Base Impedance on the high voltage side. 4. Find the Base Impedance on the low voltage side. 5. Find the ratio of the base impedances and relate it to the turns-ratio. 6. Find the estimated winding resistance of the primary winding in Ohms. 7. Find the estimated winding resistance of the secondary winding in Ohms. 8. Find the estimated leakage reactance of the primary winding in Ohms. 9. Find the estimated leakage reactance of the secondary winding in Ohms. 10. Find the estimated magnetizing reactance of the primary side in Ohms.

The equivalent resistance of the primary of a transformer having K = 6 and R1 = 0.2 ohm when referred to secondary becomes.......ohm. Group of answer choices  0.004 7.2  0.72 0.0055

I need help on questions 4-6. ALSO dpes Vp=600V and Vs=120V? Or is it Vp=720V and Vs=600V?