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Analog-designs Questions Set 103:

Quiz Mode

What is another name for IGFET?

FET

JFET

MOSFET

None of the above

Solution:

Which power amplifier class has the highest conduction angle?

Class A

Class B

Class AB

Class C

Solution:

What is the typical frequency of oscillation of an alternator connected to a power grid?

100 Hz

50 Hz

1 kHz

1.5 MHz

Solution:

The main purpose of coupling capacitors is to

Block DC signals

Control the bandwidth

Prevent negative feedback

Reduce the loading effect

Solution:

A reverse-biased p-n junction has ___________________

Almost no current

Very low resistance

Large current flow

A very narrow depletion layer

Solution:

Which of the following heat sinks is used for low-power applications?

Stamped heat sink

Aluminum heat sink

Machined heat sink

Bolted-Fin heat sink

Solution:

What is the best biasing method for designing an amplifier using a transistor?

Emitter bias

Voltage divider bias

Fixed bias

Collector feedback bias

Solution:

The early effect in a bipolar junction transistor (BJT) is caused by

fast turn-on

fast turn-off

large collector-base reverse bias

large emitter-base forward bias

Solution:

If the original resistor has a value of 10 kΩ, what is the value of the shunting resistor needed to reduce the combined resistance by 5%?

990 kΩ

90 kΩ

190 kΩ

19 kΩ

Solution:

Which of the following statements about operational amplifiers (op-amps) is not true?

An ideal op-amp has infinite slew rate.

Op-amps have two high impedance terminals and one low-impedance output.

Emitter follower configuration is used in the output stage to provide low output impedance.

All the above statements are true.

Differential amplifier is used in the input stage to achieve high open-loop gain.

Analog-designs Questions Set 103:

What is another name for IGFET?

Solution:

Which power amplifier class has the highest conduction angle?

Solution:

What is the typical frequency of oscillation of an alternator connected to a power grid?

Solution:

The main purpose of coupling capacitors is to

Solution:

A reverse-biased p-n junction has ___________________

Solution:

Which of the following heat sinks is used for low-power applications?

Solution:

What is the best biasing method for designing an amplifier using a transistor?

Solution:

The early effect in a bipolar junction transistor (BJT) is caused by

Solution:

If the original resistor has a value of 10 kΩ, what is the value of the shunting resistor needed to reduce the combined resistance by 5%?

Solution:

Which of the following statements about operational amplifiers (op-amps) is not true?

Solution:

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