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Analog-designs Questions Set 8:

Quiz Mode

Which type of oscillator is commonly used in timing elements?

RC oscillator

LC oscillator

Crystal oscillator

Weinbridge oscillator

Solution:

In a bipolar transistor, which current is the largest?

Collector current

Base current

Emitter current

Base current or emitter current

Solution:

Avalanche multiplication is caused because I_CBO is ________ I_CBO

greater than or equal to

less than or equal to

greater than

less than

Solution:

What type of semiconductor is created when a pentavalent impurity is added to an intrinsic semiconductor?

p-type

n-type

np-type

pn-type

Solution:

Which of the following factors does not affect the performance of a heat sink?

Choice of material

Protrusion design

Surface treatment

None of the mentioned

Solution:

With the negative probe of an ohmmeter on the base of an NPN transistor, the reading between the other two terminals should be:

Open

Zero

Low resistance

High resistance

Solution:

What is/are the reason(s) for biasing a transistor?

For the output to be a faithful reproduction of the input signal

To operate the transistor in the active region

Both 1 and 2

Because a transistor is too tiny to work on its own

Solution:

Find the depletion capacitance per unit area of a pn junction diode if the width of the depletion region under reverse bias is 10 μm.

Given that the relative permittivity of Silicon is 11.7 and the permittivity of free space is 8.85 × 10^-12 F/m.

10.35 nF

100.35 μF

100.35 nF

10.35 μF

Solution:

A band reject filter can be constructed from which of the following arrangements of a low-pass filter and a high-pass filter? Their cut-off frequencies are F_L and F_H respectively.

Cascade connection with F_L>F_H

Cascade connection with F_L

Cascade connection with F_L=F_H

Parallel connection with F_L

Solution:

A carrier wave with an RMS voltage of 3V and a frequency of 1.5 MHz is modulated by a sinusoidal wave with a frequency of 500 Hz and amplitude of 2V RMS. Write the equation for the resulting amplitude-modulated (AM) signal.

10(0.3 + 2sin2π x 500t)sin 3π x 10^6t

(3 + 2sin2π x 500t)sin 3π x 10^6t

(2 + 4.2sin2π x 500t)sin 2π x 10^3t

10(2 + 4.2sin2π x 500t)sin 2π x 10^3t

Analog-designs Questions Set 8:

Which type of oscillator is commonly used in timing elements?

Solution:

In a bipolar transistor, which current is the largest?

Solution:

Avalanche multiplication is caused because I_CBO is ________ I_CBO

Solution:

What type of semiconductor is created when a pentavalent impurity is added to an intrinsic semiconductor?

Solution:

Which of the following factors does not affect the performance of a heat sink?

Solution:

With the negative probe of an ohmmeter on the base of an NPN transistor, the reading between the other two terminals should be:

Solution:

What is/are the reason(s) for biasing a transistor?

Solution:

Find the depletion capacitance per unit area of a pn junction diode if the width of the depletion region under reverse bias is 10 μm.

Given that the relative permittivity of Silicon is 11.7 and the permittivity of free space is 8.85 × 10^-12 F/m.

Solution:

A band reject filter can be constructed from which of the following arrangements of a low-pass filter and a high-pass filter? Their cut-off frequencies are F_L and F_H respectively.

Solution:

A carrier wave with an RMS voltage of 3V and a frequency of 1.5 MHz is modulated by a sinusoidal wave with a frequency of 500 Hz and amplitude of 2V RMS. Write the equation for the resulting amplitude-modulated (AM) signal.

Solution:

Related Question Sets:

Related Topics:

Analog-designs Questions Set 8:

Which type of oscillator is commonly used in timing elements?

Solution:

In a bipolar transistor, which current is the largest?

Solution:

Avalanche multiplication is caused because ICBO is ________ ICBO

Solution:

What type of semiconductor is created when a pentavalent impurity is added to an intrinsic semiconductor?

Solution:

Which of the following factors does not affect the performance of a heat sink?

Solution:

With the negative probe of an ohmmeter on the base of an NPN transistor, the reading between the other two terminals should be:

Solution:

What is/are the reason(s) for biasing a transistor?

Solution:

Find the depletion capacitance per unit area of a pn junction diode if the width of the depletion region under reverse bias is 10 μm. Given that the relative permittivity of Silicon is 11.7 and the permittivity of free space is 8.85 × 10-12 F/m.

Solution:

A band reject filter can be constructed from which of the following arrangements of a low-pass filter and a high-pass filter? Their cut-off frequencies are F_L and F_H respectively.

Solution:

A carrier wave with an RMS voltage of 3V and a frequency of 1.5 MHz is modulated by a sinusoidal wave with a frequency of 500 Hz and amplitude of 2V RMS. Write the equation for the resulting amplitude-modulated (AM) signal.

Solution:

Related Question Sets:

Related Topics:

Avalanche multiplication is caused because I_CBO is ________ I_CBO

Find the depletion capacitance per unit area of a pn junction diode if the width of the depletion region under reverse bias is 10 μm.

Given that the relative permittivity of Silicon is 11.7 and the permittivity of free space is 8.85 × 10^-12 F/m.