1. Chapter 35

2. 4. It’s not possible to tell without knowing t.
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.
STT35.1

3. 4. It’s not possible to tell without knowing t.
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.
STT35.1

4. 3. It’s not possible to tell.
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.
STT35.2

5. 3. It’s not possible to tell.
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.
STT35.2

6. What is the capacitive reactance of “no capacitor,” just a continuous wire?
1. 0
2. ∞
3. Undefined
STT35.3

7. What is the capacitive reactance of “no capacitor,” just a continuous wire?
1. 0
2. ∞
3. Undefined
STT35.3

8. Rank in order, from largest to smallest, the cross-over frequencies of these four circuits.

9. Rank in order, from largest to smallest, the cross-over frequencies of these four circuits.

10. 1. Above the resonance frequency 2. Below the resonance frequency
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 frequency
2. Below the resonance frequency
3. Equal to the resonance frequency
STT35.5

11. 1. Above the resonance frequency 2. Below the resonance frequency
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 frequency
2. Below the resonance frequency
3. Equal to the resonance frequency
STT35.5

12. The emf and the current in a series RLC circuit oscillate as shown
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 L
3. Increase C
4. Decrease L
STT35.6

13. The emf and the current in a series RLC circuit oscillate as shown
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 L
3. Increase C
4. Decrease L
STT35.6

14. Chapter 35
Reading Quiz

15. The analysis of AC circuits uses a rotating vector called a
1. rotor.
2. wiggler.
3. phasor.
4. motor.
5. variator.
IG35.1

16. The analysis of AC circuits uses a rotating vector called a
1. rotor.
2. wiggler.
3. phasor.
4. motor.
5. variator.
IG35.1

17. 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.
IG35.2

18. 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.
IG35.2

19. In a series RLC circuit, what quantity is maximum at resonance?
1. The voltage
2. The current
3. The impedance
4. The phase
IG35.3

20. In a series RLC circuit, what quantity is maximum at resonance?
1. The voltage
2. The current
3. The impedance
4. The phase
IG35.3