Katrina Himes
Quiz by , created more than 1 year ago

Nuclear Program Quiz on Test 3 Study for Final, created by Katrina Himes on 12/06/2018.

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Katrina Himes
Created by Katrina Himes about 6 years ago
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Test 3 Study for Final

Test 3 Study for Final

Question 1 of 25

1

For the emitter bias, the voltage across the emitter resistor is the same as the voltage between the emitter and the

Select one of the following:

  • Base

  • Collector

  • Emitter

  • Ground

Explanation

Question 2 of 25

1

A coupling capacitor is

Select one of the following:

  • A dc short

  • An ac open

  • A dc open and an ac short

  • A dc short and an ac open

Explanation

Question 3 of 25

1

The emitter is at ac ground in a

Select one of the following:

  • CB stage

  • CC stage

  • CE stage

  • None of these

Explanation

Question 4 of 25

1

For emitter bias, the voltage at the emitter is 0.7 V less than the

Select one of the following:

  • Base voltage

  • Emitter voltage

  • Collector voltage

  • Ground voltage

Explanation

Question 5 of 25

1

The capacitor that produces an ac ground is called a

Select one of the following:

  • Bypass capacitor

  • Coupling capacitor

  • DC open

  • AC open

Explanation

Question 6 of 25

1

The voltage gain equals the output voltage divided by the

Select one of the following:

  • Input voltage

  • AC emitter resistance

  • AC collector resistance

  • Generator voltage

Explanation

Question 7 of 25

1

VDB is noted for its

Select one of the following:

  • Unstable collector voltage

  • Varying emitter current

  • Large base current

  • Stable Q point

Explanation

Question 8 of 25

1

The capacitors of a CE amplifier appear to be

Select one of the following:

  • Open to ac

  • Shorted to dc

  • Open to supply voltage

  • Shorted to ac

Explanation

Question 9 of 25

1

A swamped amplifier uses

Select one of the following:

  • Base bias

  • Positive feedback

  • Negative feedback

  • A grounded emitter

Explanation

Question 10 of 25

1

VDB needs

Select one of the following:

  • Only three resistors

  • Only one supply

  • Precision resistors

  • More resistors to work better

Explanation

Question 11 of 25

1

The ac equivalent circuit is derived from the original circuit by shorting all

Select one of the following:

  • Resistors

  • Capacitors

  • Inductors

  • Transistors

Explanation

Question 12 of 25

1

In a swamped amplifier, the effects of the emitter diode become

Select one of the following:

  • Important to voltage gain

  • Critical to input impedance

  • Significant to the analysis

  • Unimportant

Explanation

Question 13 of 25

1

VDB normally operates in the

Select one of the following:

  • Active region

  • Cutoff region

  • Saturation region

  • Breakdown region

Explanation

Question 14 of 25

1

AC emitter resistance equals 25 mV divided by the

Select one of the following:

  • Quiescent base current

  • DC emitter current

  • AC emitter current

  • Change in collector current

Explanation

Question 15 of 25

1

The feedback resistor

Select one of the following:

  • Increases voltage gain

  • Reduces distortion

  • Decreases collector resistance

  • Decreases input impedance

Explanation

Question 16 of 25

1

If the emitter resistance is reduced by one-half in a VDB circuit, the collector current will

Select one of the following:

  • Double

  • Drop in half

  • Remain the same

  • Increase

Explanation

Question 17 of 25

1

The output voltage of a CE amplifier is

Select one of the following:

  • Amplified

  • Inverted

  • 180 ° out of phase with the input

  • All of the above

Explanation

Question 18 of 25

1

The ac collector resistance of the first stage includes the

Select one of the following:

  • Load resistance

  • Input impedance of first stage

  • Emitter resistance of first stage

  • Input impedance of second stage

Explanation

Question 19 of 25

1

The base voltage of two-supply emitter bias (TSEB) is

Select one of the following:

  • 0.7 V

  • Very large

  • Near 0 V

  • 1.3 V

Explanation

Question 20 of 25

1

The emitter of a CE amplifier has no ac voltage because of the

Select one of the following:

  • DC voltage on it

  • Bypass capacitor

  • Coupling capacitor

  • Load resistor

Explanation

Question 21 of 25

1

If the input-coupling capacitor is open, the ac input voltage will

Select one of the following:

  • Decrease

  • Increase

  • Remain the same

  • Equal zero

Explanation

Question 22 of 25

1

The Q point of TSEB does not depend on the

Select one of the following:

  • Emitter resistance

  • Collector resistance

  • Current gain

  • Emitter voltage

Explanation

Question 23 of 25

1

The voltage across the load resistor of a capacitor-coupled CE amplifier is

Select one of the following:

  • DC and AC

  • DC only

  • AC only

  • Neither DC or AC

Explanation

Question 24 of 25

1

The ac collector current equals the ac base current times the

Select one of the following:

  • AC collector resistance

  • DC current gain

  • AC current gain

  • Generator voltage

Explanation

Question 25 of 25

1

For dc, the current in a coupling circuit is

Select one of the following:

  • Zero

  • Maximum

  • Minimum

  • Average

Explanation

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