Understanding Motor Controls
4th Edition
ISBN: 9781337798686
Author: Stephen L. Herman
Publisher: Delmar Cengage Learning
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Chapter 54, Problem 9RQ
Refer to Figure 54–9. If resistor R1 is 470 ohms and resistor R2 is 47 kilohms, what is the gain of the amplifier?
Figure 54-9 Inverting amplifier connection.
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15. Find the value of R, that will produce the indicated closed-loop gain in each amplifier in Figure 12-66
Ry
W
Aj=50
ww
1.0k
Figure 12-66
10 kn
Ag=-300
Aj=8
12 k
V₁₂₁M
2.2k
(d)
Ag=-75
kindly answer number 1,2,3 ONLY
The equation underneath is do to with resonance, however resonance occurs when the input frequency is equal to the natural frequency what does this equation mean?
Chapter 54 Solutions
Understanding Motor Controls
Ch. 54 - Prob. 1RQCh. 54 - Prob. 2RQCh. 54 - Prob. 3RQCh. 54 - Prob. 4RQCh. 54 - Prob. 5RQCh. 54 - Prob. 6RQCh. 54 - Name two effects of negative feedback.Ch. 54 - Refer to Figure 548. If resistor R1 is 200 ohms...Ch. 54 - Refer to Figure 54–9. If resistor R1 is 470 ohms...Ch. 54 - What is the purpose of the hysteresis loop when...
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- Refer to Figure 548. If resistor R1 is 200 ohms and resistor R2 is 10 kilohms, what is the gain of the amplifier? Figure 548 Noninverting amplifier connection.arrow_forwardDon't Use Chat GPT Will Upvote And Give Handwritten Solution Pleasearrow_forwardGiven the following Resistances and Inductors in Series and Voltage Source: R1 = 1,664 ohms R2 = 1,999 ohms L1 = 2 Henry L2 = 2 Henry Vs = 3 Volts Frequency = 92 Hz What is the Total Impedance (Amplitude) in ohms?arrow_forward
- Refer to the figure below and calculate the current (in Amps) through the R2 resistor.arrow_forwardBasic electronicsarrow_forwardIf the impedance Z1 = 10 +j10 and the impedance Z2 = 10 - j0 are connected in series, the equivalent impedance would be: O A. 20-j10 ohms O B. 20+ j20 ohms O C. None of the other choices are correct O D. 20 ohms O E. 20+ j 10 ohmsarrow_forward
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- Please Solution Step by Steparrow_forward4. A circuit contains a 20-2 resistor and an inductor with an inductance of 0.093 H. If the circuit has a frequency of 60 Hz, what is the total impedance of the circuit? 5. An R-L series circuit has a power factor of 86%. By how many degrees are the voltage and current out of phase with each other? 6. An R-L series circuit has an apparent power of 230 VA and a true power of 180 W. What is the reactive power? 7. The resistor in an R-L series circuit has a voltage drop of 53 V, and the inductor has a voltage drop of 28 V. What is the applied voltage of the circuit?arrow_forward17. If a signal voltage of 10 mVrms is applied to each amplifier in Figure 12-67, what are the output voltages and what is their phase relationship with inputs? 18. Determine the approximate values for each of the following quantities in Figure 12-68 LO ET Spie 2210 W 22 k Figure 12-68 a. In b. l c. Vout d. closed-loop gainarrow_forward
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