Transistor Biasing

This is an MCQ-based quiz on Transistor Biasing.

This includes Biasing circuit, Bias battery, Diode Cut off point, Quiescent point, and Saturation point

Start Quiz

IC = ß IB + ___________

ICBO IC ICEO aIE

For faithful amplification by a transistor circuit, the value of VBE should ___________ for a silicon transistor

Be zero Be 0.01 V Not fall below 0.7 V Be between 0 V and 0.1 V

An ideal value of stability factor is ___________

100 200 More than 200 1

At series or parallel resonance, the circuit power factor is ___________

0% 5% 10% 8%

The relation between ß and a is ___________

ß = 1 / (1 – a ) ß = (1 – a ) / a ß = a / (1 – a ) ß = a / (1 + a )

If Ie is the current entering the emitter, Ib is the current leaving the base and Ic is the current leaving the collector in a p-n-p transistor used for amplification, what is the relation between Ie, Ib and Ic?

Ie < Ic Ic < Ib Ib < Ic Ie < Ib + Ic

BJT stands for __________

Bi-Junction Transfer Blue Junction Transistor Bipolar Junction Transistor Base Junction Transistor

Transistor biasing is done to keep ………… in the circuit

Proper direct current Proper alternating current The base current small Collector current small

Operating point represents …………..

Values of IC and VCE when signal is applied The magnitude of signal Zero signal values of IC and VCE None of the above

If biasing is not done in an amplifier circuit, it results in ……………

Decrease in the base current Unfaithful amplification Excessive collector bias None of the above

Transistor biasing is generally provided by a …………….

Biasing circuit Bias battery Diode None of the above

Collector feedback provides good stability using negative feedback from

Emitter to ground

Collector to base

Emitter to base

Base to ground

Transistor biasing represents ……………. conditions

A.C.

D.C.

Both A.C. and D.C.

None of the above

Base bias circuit arrangement has poor stability because its Q-point varies with β DC?

Base Bias

Voltage-divider Bias

Emitter Bias

Collector Bias

The negative feedback in collector feedback bias creates an “offsetting” effect that tends to keep Q-point

Unstable

Stable

Moving

Removed

Quiz/Test Summary

Title: Transistor Biasing

Questions: 15

Contributed by:

Diego Mon, Apr 11, 2022 06:51 AM UTC

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