An inductive load that has a resistive component of 4 ? is connected to an ac source of 120 V (rms) through a half-wave SCR circuit. When the triggering angle of the SCR is 50o , the conduction period is 160o . Calculate the following:

a. Average voltage across the load
b. Average voltage across the resistive element of the load
c. rms voltage across the load
d. Average current of the load
e. If a freewheeling diode is connected across the load, calculate the load rms
voltage. Assume that the current of the diode flows for a complete half cycle.




b. Voltage across the resistance is = 40.75 V (since the average voltage across the

inductance = 0)

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