Knight Ch35
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Transcript of Knight Ch35
![Page 1: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/1.jpg)
Chapter 35
![Page 2: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/2.jpg)
The magnitude of the instantaneous value of the emf represented by this phasor is
1. increasing.2. decreasing.3. constant.4. It’s not possible to tell without knowing t.
![Page 3: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/3.jpg)
The magnitude of the instantaneous value of the emf represented by this phasor is
1. increasing.2. decreasing.3. constant.4. It’s not possible to tell without knowing t.
![Page 4: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/4.jpg)
The resistor whose voltage and current phasors are shown here has resistance R
1. > 1 Ω.2. < 1 Ω.3. It’s not possible to tell.
![Page 5: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/5.jpg)
The resistor whose voltage and current phasors are shown here has resistance R
1. > 1 Ω.2. < 1 Ω.3. It’s not possible to tell.
![Page 6: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/6.jpg)
What is the capacitive reactance of “no capacitor,” just a continuous wire?
1. 02. ∞3. Undefined
![Page 7: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/7.jpg)
What is the capacitive reactance of “no capacitor,” just a continuous wire?
1. 02. ∞3. Undefined
![Page 8: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/8.jpg)
Rank in order, from largest to smallest, the cross-over frequencies of these four circuits.
![Page 9: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/9.jpg)
Rank in order, from largest to smallest, the cross-over frequencies of these four circuits.
![Page 10: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/10.jpg)
A series RLC circuit has VC = 5.0 V, VR = 7.0 V, and VL = 9.0 V. Is the frequency above, below or equal to the resonance frequency?
1. Above the resonance frequency2. Below the resonance frequency3. Equal to the resonance frequency
![Page 11: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/11.jpg)
A series RLC circuit has VC = 5.0 V, VR = 7.0 V, and VL = 9.0 V. Is the frequency above, below or equal to the resonance frequency?
1. Above the resonance frequency2. Below the resonance frequency3. Equal to the resonance frequency
![Page 12: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/12.jpg)
The emf and the current in a series RLC circuit oscillate as shown. Which of the following would increase the rate at which energy is supplied to the circuit?
1. Decrease ε0
2. Increase L3. Increase C4. Decrease L
![Page 13: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/13.jpg)
The emf and the current in a series RLC circuit oscillate as shown. Which of the following would increase the rate at which energy is supplied to the circuit?
1. Decrease ε0
2. Increase L3. Increase C4. Decrease L
![Page 14: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/14.jpg)
Chapter 35 Reading Quiz
![Page 15: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/15.jpg)
The analysis of AC circuits uses a rotating vector called a
1. rotor.2. wiggler.3. phasor.4. motor.5. variator.
![Page 16: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/16.jpg)
The analysis of AC circuits uses a rotating vector called a
1. rotor.2. wiggler.3. phasor.4. motor.5. variator.
![Page 17: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/17.jpg)
In a capacitor, the peak current and peak voltage are related by the
1. capacitive resistance.2. capacitive reactance.3. capacitive impedance.4. capacitive inductance.
![Page 18: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/18.jpg)
In a capacitor, the peak current and peak voltage are related by the
1. capacitive resistance.2. capacitive reactance.3. capacitive impedance.4. capacitive inductance.
![Page 19: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/19.jpg)
In a series RLC circuit, what quantity is maximum at resonance?
1. The voltage2. The current3. The impedance4. The phase
![Page 20: Knight Ch35](https://reader030.fdocuments.in/reader030/viewer/2022011722/577cce011a28ab9e788d0fd2/html5/thumbnails/20.jpg)
In a series RLC circuit, what quantity is maximum at resonance?
1. The voltage2. The current3. The impedance4. The phase