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Analog-designs Questions Set 98:

Quiz Mode

If the gate-source voltage (Vgs) of a MOSFET is 0 volts, the drain current is

infinity

Id(on)

maximum

Solution:

If 120 C of charge passes through an electric conductor in 60 sec, the current in the conductor is

0.5 A

3.33 mA

2 A

3 A

Solution:

If a series RLC circuit resonates at 500 Hz, what is the circuit impedance at a frequency of 480 Hz?

Resistive

Capacitive

Inductive

Zero

Solution:

Which of the following applications makes use of the maximum power transfer theorem?

Loading effect

Miller's effect

Current mirror

Impedance matching

Solution:

Which of the following best describes the optimum use of a Class 'B' Amplifier?

Tuned Amplifier

Power Amplifier

Low distortion Power Amplifier

Voltage Amplifier

Solution:

Calculate the average (Vavg) and root-mean-square (Vrms) values of the output voltage when a half-wave diode circuit using an ideal diode has an input voltage of 16.4 sin ωt V.

8.2 V, 5.22 V

5.22 V, 8.2 V

2.61 V, 11.6 V

11.6 V, 2.61 V

Solution:

Which of the following statements about a quad-op amp IC package is not true?

It contains 4 op-amps in a single package.

A minimum of 14 pins are required.

The power dissipation is higher in a quad-op amp compared to a single-op amp IC package.

All the above statements are true.

Solution:

What is the PIV (Peak Inverse Voltage) rating of a diode?

Maximum forward bias potential which can be applied across a diode without breakdown

Maximum reverse bias potential which can be applied across a diode without breakdown

Minimum potential required by a diode to reach conduction state

Maximum power allowable to a diode

Solution:

Which of the following statements about a resonance circuit is incorrect?

For resonance to occur, the circuit must have at least one inductor and one capacitor.

The impedance of the circuit is equal to the resistance value.

The series resonance circuit is also called an acceptor circuit.

The total impedance of the series RLC circuit is maximum at resonance.

Solution:

Delay time in a Thyristor

is the time during which anode voltage falls from Va to 0.9Va where Va is the initial value of the anode voltage.

Both 3 and 2

is the time at which anode current reaches 90 percent of its final value and the instant at which the gate current reaches 10 percent of its final value.

is the time at which gate current reaches 90 percent of its final value and the instant at which the anode current reaches 10 percent of its final value.

Analog-designs Questions Set 98:

If the gate-source voltage (Vgs) of a MOSFET is 0 volts, the drain current is

Solution:

If 120 C of charge passes through an electric conductor in 60 sec, the current in the conductor is

Solution:

If a series RLC circuit resonates at 500 Hz, what is the circuit impedance at a frequency of 480 Hz?

Solution:

Which of the following applications makes use of the maximum power transfer theorem?

Solution:

Which of the following best describes the optimum use of a Class 'B' Amplifier?

Solution:

Calculate the average (Vavg) and root-mean-square (Vrms) values of the output voltage when a half-wave diode circuit using an ideal diode has an input voltage of 16.4 sin ωt V.

Solution:

Which of the following statements about a quad-op amp IC package is not true?

Solution:

What is the PIV (Peak Inverse Voltage) rating of a diode?

Solution:

Which of the following statements about a resonance circuit is incorrect?

Solution:

Delay time in a Thyristor

Solution:

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