Suppose that the square wave pulses supplied to an MCM motor has a duty cycle of 50%, meaning that pulses are present half of the time, and they are not present for the other half of the time. If the amplitude of each pulse is 34 volts, what is the average voltage supplied to the motor?
What will be an ideal response?
34V/.50 = 17 volts
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8. ADC b-bit Quantizer of sinusoidal signal. Consider the following worksheet that shows ten samples of a one-period sinusoidal waveform in Column B that has been matched to a b-bit quantizer with ?=1 and b specified in B1. The waveform amplitude that is matched to the quantizer is computed in D1. Column C computes the quantizer level. Column D computes the b-bit code using the Excel formula that converts a decimal value to its b-bit binary value.
a. What is the Excel formula in D1?
b. What is the Excel formula in B7?
c. What is the Excel formula in C7?
d. What is the Excel formula in D7?
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A) Decreases B) Remains the same C) Increases D) None of these
The Z axis is ________ to the XY plane
A) Perpendicular B) Tilted 14.3 degrees counterclockwise C) Inverted D) Tilted 23.5 degrees clockwise
Which of the following refrigerants is considered an HFC-type of refrigerant?
A. R-134a B. R-12 C. R-22 D. R-11