Question: 1. Consider the circuit demonstrated in this week?s presentations. With the turns ratio modified to 20:1, calculate the following values of Vs and Is for
1. Consider the circuit demonstrated in this week?s presentations. With the turns ratio modified to 20:1, calculate the following values of Vs and Is for the given values of RL in the table below:
| RL | Calculated Vs | Calculated Is | Measured Vs | Measured Is |
| 0 ohm | ||||
| 10 ohm | ||||
| 25 ohm | ||||
| 50 ohm | ||||
| 100 ohm | ||||
| 1000 ohm |
a. Describe the relationship of RL on the secondary voltage.
b. Describe the relationship of RL on the secondary current.
c. How do the calculated values compare to the measured values?
d. How would you go about calculating the transformer power efficiency?
e. How would you go about measuring the transformer power efficiency?
f. Determine the transformer power efficiency for the circuit in MultiSIM. Include a calculation and a measured value.

T1 V1 120VrAS R1 . 160Hz 20:1
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