Question 1

If you measure 17 V across a diode, it is probably ________.

Accepted Answer

A) in heavy conduction 
B) reverse biased 
C) forward biased 
D) shorted 
A) in heavy conduction 
B) reverse biased 
C) forward biased 
D) shorted

Question 2

The slew rate of an op-amp is determined by the frequency response of the internal amplifiers.

Accepted Answer

A) True 
 B)False

Question 3

A crystal oscillator usually has a very high ________

Accepted Answer

A)  I 
B)  Q 
C)  BW 
D)  V 
A)  I 
B)  Q 
C)  BW 
D)  V

Question 4

$\text { Figure } 17 < 1$
-If the emitter resistor opened in Figure 17-1, VB equals ________.

Accepted Answer

A) 20V 
B) 5.71V 
C) 0.7V 
D) 0V 
A) 20V 
B) 5.71V 
C) 0.7V 
D) 0V

Question 5

$\text { Figure } 16<2$

-If the filter capacitor opens in Figure 16-2, ________.

Accepted Answer

A)  the ripple voltage increases 
B)  a loud hum will be heard 
C)  the diodes would open 
D)  the output dc will be very low 
A)  the ripple voltage increases 
B)  a loud hum will be heard 
C)  the diodes would open 
D)  the output dc will be very low

Question 6

If a diode in a full- Wave rectifier opens, ________.

Accepted Answer

A) the dc outputVoltage Will increase and the ripple frequency Will decrease 
B) the dc outputVoltage Will decrease and the ripple frequency Willl decrease 
C) the dc outputVoltage Will decrease and the rippleVoltage Will decrease 
D) the dc outputVoltage Will increase and the rippleVoltage Will decrease 
A) the dc outputVoltage Will increase and the ripple frequency Will decrease 
B) the dc outputVoltage Will decrease and the ripple frequency Willl decrease 
C) the dc outputVoltage Will decrease and the rippleVoltage Will decrease 
D) the dc outputVoltage Will increase and the rippleVoltage Will decrease

Question 7

One characteristic of a noninverting amplifier is a ________.

Accepted Answer

A) voltage gain slightly more than an inverting amplifierW
Ith the sameV
Alues 
B) very low input impedance 
C) voltage gain of one 
D) high output impedance 
A) voltage gain slightly more than an inverting amplifierW
Ith the sameV
Alues 
B) very low input impedance 
C) voltage gain of one 
D) high output impedance

Question 8

If a  75 VP  sine wave is applied to a half-wave rectifier, the diode's peak inverse voltage is _____

Accepted Answer

A)   37.5 V 
B)   75 V 
C)   150  V 
D)   0 V 
A)   37.5 V 
B)   75 V 
C)   150  V 
D)   0 V

Question 9

\[\text { Figure } \mathbf { 1 9 } IN equals  4 V  in Figure 19-1,  VOUT  equals__________

Accepted Answer

A)   -13 V 
B)   13 V 
C)   -1 V 
D)   1 V 
A)   -13 V 
B)   13 V 
C)   -1 V 
D)   1 V

Question 10

$$\text { Figure } 17 < 2$$
-The amplifier in Figure 17-2 uses a ________ and the gate current is ________.

Accepted Answer

A) TRIAC, 10 mA 
B) JFET, 5 mA 
C) JFET, 0 A 
D) BJT, 0 A 
A) TRIAC, 10 mA 
B) JFET, 5 mA 
C) JFET, 0 A 
D) BJT, 0 A

Question 11

Oscillators operate on the principle of ________.

Accepted Answer

A) negative feedback 
B) attenuation 
C) signal feed-through 
D) positive feedback 
A) negative feedback 
B) attenuation 
C) signal feed-through 
D) positive feedback

Question 12

If the cathode voltage of a forward-biased silicon diode equals 6.5 V, the anode voltage equals ________.

Accepted Answer

A) -0.7V 
B) 7.2V 
C) -7.2V 
D) 0.7V 
A) -0.7V 
B) 7.2V 
C) -7.2V 
D) 0.7V

Question 13

If the source voltage increases in a simple zener regulator, ________.

Accepted Answer

A) theVoltage across the zener increases 
B) theVoltage across the series resistor decreases 
C) the load current increases 
D) the zener current increases 
A) theVoltage across the zener increases 
B) theVoltage across the series resistor decreases 
C) the load current increases 
D) the zener current increases

Question 14

If the measured resistance of a diode is very low in both directions, the diode is probably ________.

Accepted Answer

A) conducting heavily 
B) normal 
C) open 
D) shorted 
A) conducting heavily 
B) normal 
C) open 
D) shorted

Question 15

\[\text { Figure } \mathbf { 1 7 } 1 opens in Figure 17-5, the circuitW ill probably ________.

Accepted Answer

A) increase its oscillating frequency 
B) decrease its oscillating frequency 
C) continue to operate normally 
D) stop oscillating entirely 
A) increase its oscillating frequency 
B) decrease its oscillating frequency 
C) continue to operate normally 
D) stop oscillating entirely

Question 16

\(\text { Figure } 17 CC  equals  15 V  in Figure 17-1,  VBE  equals______

Accepted Answer

A)   15 V 
B)   0.7 V 
C)   5 V 
D)   4.71 V 
A)   15 V 
B)   0.7 V 
C)   5 V 
D)   4.71 V

Question 17

The most accurate signal reproduction in transistor amplifiers is provided by:

Accepted Answer

A) class A 
B) class B 
C) class C 
D) class AB 
A) class A 
B) class B 
C) class C 
D) class AB

Question 18

If the diode in a half- Wave rectifier opens, ________.

Accepted Answer

A) the outputVoltage would not change 
B) the outputVoltage would equal the transformer secondaryVoltage 
C) the output ripple would be very small 
D) the output Voltage would be zero 
A) the outputVoltage would not change 
B) the outputVoltage would equal the transformer secondaryVoltage 
C) the output ripple would be very small 
D) the output Voltage would be zero

Question 19

A half- Wave rectifier uses four diodes as rectifiers.

Accepted Answer

A) True 
 B)False

Question 20

In a series voltage regulator, the four circuit blocks are:

Accepted Answer

A) error detector, referenceVoltage, series regulator, sampling circuit. 
B) control element, referenceVoltage, error detector, sampling circuit. 
C) referenceVoltage, series load, referenceVoltage, current limiter. 
D) control element, referenceVoltage, error detector, current limiter. 
A) error detector, referenceVoltage, series regulator, sampling circuit. 
B) control element, referenceVoltage, error detector, sampling circuit. 
C) referenceVoltage, series load, referenceVoltage, current limiter. 
D) control element, referenceVoltage, error detector, current limiter.

If you measure 17 V across a diode, it is probably ________.

The slew rate of an op-amp is determined by the frequency response of the internal amplifiers.

A crystal oscillator usually has a very high ________

$\text { Figure } 17 < 1 -If the emitter resistor opened in Figure 17-1, VB equals .$ $\text { Figure } 17 < 1$ -If the emitter resistor opened in Figure 17-1, VB equals .

$\text { Figure } 16<2 -If the filter capacitor opens in Figure 16-2, .$ $\text { Figure } 16<2$ -If the filter capacitor opens in Figure 16-2, .

If a diode in a full- Wave rectifier opens, ________.

One characteristic of a noninverting amplifier is a ________.

If a 75 V_P sine wave is applied to a half-wave rectifier, the diode's peak inverse voltage is _____

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub> equals 4 V in Figure 19-1, V<sub>OUT</sub> equals__________$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN equals 4 V in Figure 19-1, V_OUT equals__________

$\text { Figure } 17 < 2 -The amplifier in Figure 17-2 uses a and the gate current is .$ $\text { Figure } 17 < 2$ -The amplifier in Figure 17-2 uses a and the gate current is .

Oscillators operate on the principle of ________.

If the cathode voltage of a forward-biased silicon diode equals 6.5 V, the anode voltage equals ________.

If the source voltage increases in a simple zener regulator, ________.

If the measured resistance of a diode is very low in both directions, the diode is probably ________.

$\text { Figure } \mathbf { 1 7 } < 5 -If C<sub>1</sub> opens in Figure 17-5, the circuitW ill probably .$ $\text { Figure } \mathbf { 1 7 } < 5$ -If C₁ opens in Figure 17-5, the circuitW ill probably .

$\text { Figure } 17 < 1 -If V<sub>CC</sub> equals 15 V in Figure 17-1, V<sub>BE </sub> equals______$ $\text { Figure } 17 < 1$ -If V_CC equals 15 V in Figure 17-1, V_BE equals______

The most accurate signal reproduction in transistor amplifiers is provided by:

If the diode in a half- Wave rectifier opens, ________.

A half- Wave rectifier uses four diodes as rectifiers.

In a series voltage regulator, the four circuit blocks are:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

Exam 16: Regulators, Filters, and Op-Amps

If you measure 17 V across a diode, it is probably ________.

The slew rate of an op-amp is determined by the frequency response of the internal amplifiers.

A crystal oscillator usually has a very high ________

Figure 17<1\text { Figure } 17 < 1 Figure 17<1 -If the emitter resistor opened in Figure 17-1, VB equals ________.

Figure 16<2\text { Figure } 16<2 Figure 16<2 -If the filter capacitor opens in Figure 16-2, ________.

If a diode in a full- Wave rectifier opens, ________.

One characteristic of a noninverting amplifier is a ________.

If a 75 VP sine wave is applied to a half-wave rectifier, the diode's peak inverse voltage is _____

Figure 19<1\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } Figure 19<1 -If VIN equals 4 V in Figure 19-1, VOUT equals__________

Figure 17<2\text { Figure } 17 < 2 Figure 17<2 -The amplifier in Figure 17-2 uses a ________ and the gate current is ________.

Oscillators operate on the principle of ________.

If the cathode voltage of a forward-biased silicon diode equals 6.5 V, the anode voltage equals ________.

If the source voltage increases in a simple zener regulator, ________.

If the measured resistance of a diode is very low in both directions, the diode is probably ________.

Figure 17<5\text { Figure } \mathbf { 1 7 } < 5 Figure 17<5 -If C1 opens in Figure 17-5, the circuitW ill probably ________.

Figure 17<1\text { Figure } 17 < 1 Figure 17<1 -If VCC equals 15 V in Figure 17-1, VBE equals______

The most accurate signal reproduction in transistor amplifiers is provided by:

If the diode in a half- Wave rectifier opens, ________.

A half- Wave rectifier uses four diodes as rectifiers.

In a series voltage regulator, the four circuit blocks are:

Quantities and Units

Voltage, Current, and Resistance

Ohms Law, Energy, and Power

Series Circuits

Parallel Circuits

Series-Parallel Circuits

Magnetism and Electromagnetism

Introduction to Alternating Current and Voltage

Capacitors

Rc Circuits

Inductors

Rl Circuits

Rlc Circuits and Resonance

Time Response of Reactive Circuits

Transformers

Understanding Transducers, Sensors, and Conversion in Industrial Processes

Filters

$\text { Figure } 17 < 1 -If the emitter resistor opened in Figure 17-1, VB equals .$ $\text { Figure } 17 < 1$ -If the emitter resistor opened in Figure 17-1, VB equals .

$\text { Figure } 16<2 -If the filter capacitor opens in Figure 16-2, .$ $\text { Figure } 16<2$ -If the filter capacitor opens in Figure 16-2, .

If a 75 V_P sine wave is applied to a half-wave rectifier, the diode's peak inverse voltage is _____

$\text { Figure } \mathbf { 1 9 } < \mathbf { 1 } -If V<sub>IN</sub> equals 4 V in Figure 19-1, V<sub>OUT</sub> equals__________$ $\text { Figure } \mathbf { 1 9 } < \mathbf { 1 }$ -If V_IN equals 4 V in Figure 19-1, V_OUT equals__________

$\text { Figure } 17 < 2 -The amplifier in Figure 17-2 uses a and the gate current is .$ $\text { Figure } 17 < 2$ -The amplifier in Figure 17-2 uses a and the gate current is .

$\text { Figure } \mathbf { 1 7 } < 5 -If C<sub>1</sub> opens in Figure 17-5, the circuitW ill probably .$ $\text { Figure } \mathbf { 1 7 } < 5$ -If C₁ opens in Figure 17-5, the circuitW ill probably .

$\text { Figure } 17 < 1 -If V<sub>CC</sub> equals 15 V in Figure 17-1, V<sub>BE </sub> equals______$ $\text { Figure } 17 < 1$ -If V_CC equals 15 V in Figure 17-1, V_BE equals______