An op-amp comparator in a firing circuit can produce waveforms at the output of up to 20 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +10 to -10 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the reference voltage is 5.92 volts, the delay angle (in degrees) would be: O A. None of the other choices are correct. OB. 41 O C. 139 O D. 131 O E. 49

An op-amp comparator in a firing circuit can produce waveforms at the output of up to 20 V peak-to-peak without any distortion. An inverse cosine-based firing circuit with a voltage range from +10 to -10 (reference voltage) is used to produce a gating signal for the SCR at the desired delay angle. if the reference voltage is 5.92 volts, the delay angle (in degrees) would be: O A. None of the other choices are correct. OB. 41 O C. 139 O D. 131 O E. 49

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter11: Thermostats, Pressure Switches, And Other Electric Control Devices

Section: Chapter Questions

Problem 23RQ

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