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Analog-designs Questions Set 48:

Quiz Mode

Active heat sinks are also called what?

fans

on sinks

high sinks

normal sinks

Solution:

Determine the time constant of an RC circuit when R = 22 kΩ and C = 0.05 μF.

0.7 ms

1.1 ms

1.5 ms

2 ms

Solution:

Calculate the AC power of a class B amplifier when the DC power of the amplifier is 32 W.

12.8 W

80 W

64 W

6.4 W

Solution:

Which of the following types of graticules are used on a CRT screen?

External

Internal

Projected

All of the above

Solution:

If an amplifier without feedback has a gain of 1000, then what will be the gain with negative feedback of 0.009?

100

125

900

Solution:

In which mode does a JFET (Junction Field Effect Transistor) operate?

Enhancement mode

Depletion mode

Active mode

Inactive mode

Solution:

In an LC Transistor Oscillator, which one of the following is the active device?

LC Tank Circuit

Biasing Circuit

Transistor

None of the above

Solution:

With the negative probe on a PNP transistor's base, the ohmmeter reading between the other transistor terminals should be:

open

infinite

low resistance

high resistance

Solution:

If the differential voltage gain and common mode voltage gain of a differential amplifier are 48dB and 2dB respectively, then its common mode rejection ratio is

23dB

25dB

46dB

50dB

Solution:

In a p-type semiconductor, what happens to the Fermi level as the temperature rises?

The Fermi level moves away from the center

The Fermi level moves towards the center

The Fermi level stays at the center

The Fermi level moves into the conduction band

Analog-designs Questions Set 48:

Active heat sinks are also called what?

Solution:

Determine the time constant of an RC circuit when R = 22 kΩ and C = 0.05 μF.

Solution:

Calculate the AC power of a class B amplifier when the DC power of the amplifier is 32 W.

Solution:

Which of the following types of graticules are used on a CRT screen?

Solution:

If an amplifier without feedback has a gain of 1000, then what will be the gain with negative feedback of 0.009?

Solution:

In which mode does a JFET (Junction Field Effect Transistor) operate?

Solution:

In an LC Transistor Oscillator, which one of the following is the active device?

Solution:

With the negative probe on a PNP transistor's base, the ohmmeter reading between the other transistor terminals should be:

Solution:

If the differential voltage gain and common mode voltage gain of a differential amplifier are 48dB and 2dB respectively, then its common mode rejection ratio is

Solution:

In a p-type semiconductor, what happens to the Fermi level as the temperature rises?

Solution:

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