# AC Circuits and Multicism Homework

Jul 4th, 2016
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Watch the videos Week 4 Video Lecture – Multisim Transformers 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 Ω 10 Ω 25 Ω 50 Ω 100 Ω 1000 Ω Construct the transformer circuit in MultiSIM and complete the table in part 2 with the measured values of Vs and Is for each value of RL. Use the Agilent Digital Multi-meter to take the measurements and capture a screen shot of each measurement.

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Name:GID:Lab 1:UniversityDate:Introduction:For creating a new a step-down transformer, this lab exercise is practiced in MULTISIM and it isrestorative with various voltages in input. The turns-ratio of this transformer is approximately 20:1. Thissignifies that the secondary voltage is twenty times more than the primary voltage in value. An idealtransformer has the same level of input as well output power. However, the efficiency in the practicaltransformers is not more than 100%. In the form of heat, some of the power emitted and lessen theefficiency during the occurrence of transformer operation. For obtaining the various secondary voltagevalues, there will be imitation in the circuit for different values of input voltages.There will be a comparison between simulation results of the lab exercise and the calculated differentconsistency values.Equipment/Components:-Different Step down transformer having 20:1 turns ratioMulti-meters of AgilentResistorsPower source of 120V AC which is approximately 60Hz frequencyProblem statementThe figure of circuit has to be constructed which is shown in the figure and it will be simulated by thesoftware of MULTISIM:The transformer is set at the 20:1 turns- ratio. For the different values of load resistor named R1 has tobe measure as secondary voltage and current. The different values of R1 are set at (0, 10 , 25 , 50 ,100 and 1000 ) so that it will be helpful in the voltage and current measuremen

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