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Analog-designs Questions Set 68:

Quiz Mode

What is the feedback factor of a Wien bridge oscillator using an Op-Amp?

1/3

1/4

1/2

Solution:

The transformer utilization factor of a center-tapped full-wave rectifier is:

0.62

0.67

0.69

0.74

Solution:

What material are passive heat sinks typically made of?

Copper (Cu)

Aluminum (Al)

Iron (Fe)

Zinc (Zn)

Solution:

Find the number of electrons in 5 coulombs of charge.

1.68 × 10^19

2.6 × 10^18

1.602 × 10^34

3.12 × 10^19

Solution:

For a voltage amplifier, the output resistance with feedback, R_of, is:

∞ always

R_o

R_o.(1+Aβ)

R_o/(1+Aβ)

Zero always

Solution:

The majority carriers in NPN and PNP transistors are

Holes and Electrons

Electrons and Holes

Acceptor Ions and Donor Ions

None

Solution:

How much is contributed by each bit in the code word of a PCM system under uniform and symmetric quantization to the signal to noise ratio?

Solution:

Which of the following are types of sine wave oscillators?

LC tuned oscillator.

RC phase shift oscillator.

Both a and b.

Relaxation oscillator.

Solution:

Consider an angle modulated signal x(t) = 6 cos [2π × 10⁶t + 2sin(8000π t) + 4cos(8000π t)] V. The average power of x(t) is

10 W

18 W

20 W

28 W

Solution:

Which of the following is not true for a Wien bridge oscillator?

The Wien bridge oscillator uses both positive and negative feedback.

They are mainly used in the audio frequency range (20-20kHz).

The voltage gain of the amplifier must be greater than or equal to 3.

The total phase shift between the input and output of the oscillator is 180 degrees.

Analog-designs Questions Set 68:

What is the feedback factor of a Wien bridge oscillator using an Op-Amp?

Solution:

The transformer utilization factor of a center-tapped full-wave rectifier is:

Solution:

What material are passive heat sinks typically made of?

Solution:

Find the number of electrons in 5 coulombs of charge.

Solution:

For a voltage amplifier, the output resistance with feedback, R_of, is:

Solution:

The majority carriers in NPN and PNP transistors are

Solution:

How much is contributed by each bit in the code word of a PCM system under uniform and symmetric quantization to the signal to noise ratio?

Solution:

Which of the following are types of sine wave oscillators?

Solution:

Consider an angle modulated signal x(t) = 6 cos [2π × 10⁶t + 2sin(8000π t) + 4cos(8000π t)] V. The average power of x(t) is

Solution:

Which of the following is not true for a Wien bridge oscillator?

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 68:

What is the feedback factor of a Wien bridge oscillator using an Op-Amp?

Solution:

The transformer utilization factor of a center-tapped full-wave rectifier is:

Solution:

What material are passive heat sinks typically made of?

Solution:

Find the number of electrons in 5 coulombs of charge.

Solution:

For a voltage amplifier, the output resistance with feedback, Rof, is:

Solution:

The majority carriers in NPN and PNP transistors are

Solution:

How much is contributed by each bit in the code word of a PCM system under uniform and symmetric quantization to the signal to noise ratio?

Solution:

Which of the following are types of sine wave oscillators?

Solution:

Consider an angle modulated signal x(t) = 6 cos [2π × 106t + 2sin(8000π t) + 4cos(8000π t)] V. The average power of x(t) is

Solution:

Which of the following is not true for a Wien bridge oscillator?

Solution:

Related Question Sets:

Related Topics:

For a voltage amplifier, the output resistance with feedback, R_of, is:

Consider an angle modulated signal x(t) = 6 cos [2π × 10⁶t + 2sin(8000π t) + 4cos(8000π t)] V. The average power of x(t) is