Chapter 35

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.

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.

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.

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.

What is the capacitive reactance of “no capacitor,” just a continuous wire?

1. 02. ∞3. Undefined

What is the capacitive reactance of “no capacitor,” just a continuous wire?

1. 02. ∞3. Undefined

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

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

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

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

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

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

Chapter 35 Reading Quiz

The analysis of AC circuits uses a rotating vector called a

1. rotor.2. wiggler.3. phasor.4. motor.5. variator.

The analysis of AC circuits uses a rotating vector called a

1. rotor.2. wiggler.3. phasor.4. motor.5. variator.

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.

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.

In a series RLC circuit, what quantity is maximum at resonance?

1. The voltage2. The current3. The impedance4. The phase

In a series RLC circuit, what quantity is maximum at resonance?

1. The voltage2. The current3. The impedance4. The phase