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BJT

GATE Electrical Engineering · Analog Electronics - BJT Biasing · 1992-2026

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2026 Q33

In the linear regulator circuit shown, the base to emitter voltage VBE of the BJT is 0.6 V. The Zener diode clamps the base voltage to 5.4 V. Ignore the biasing current of the Zene...

mediumanswer key
2025 Q1

In the circuit, both Q1 and Q2 have a current gain of 100 and VBE = 0.7 V. The small signal voltage gain is ________ (round off to two decimal places).

hardanswer key
2024 Q42

A BJT biasing circuit is shown in the figure, where VBE = 0.7 V and β = 100. The Quiescent Point values of VCE and IC are respectively

medium
2018 Q37

For the circuit shown in the figure below, it is given that $V_{CE} = \frac{V_{CC}}{2}$. The transistor has $\beta = 29$ and $V_{BE} = 0.7$ V when the B-E junction is forward biase...

hardanswer key
2018 Q41

In the circuit shown in the figure, the bipolar junction transistor (BJT) has a current gain β = 100. The base-emitter voltage drop is a constant, VBE = 0.7 V. The value of the The...

mediumanswer key
2015 PYQ

When a bipolar junction transistor is operating in the saturation mode, which one of the following statements is TRUE about the state of its collector-base (CB) and the base-emitte...

easyanswer keyelite explanation
2004 PYQ

A bipolar junction transistor $$(BJT)$$ is used as a power control switch by biasing it in the cut-off region (OFF state) or in the saturation region (ON state). In the ON state, f...

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2004 PYQ

A bipolar junction transistor (BJT) is used as a power control switch by biasing it in the cutoff region (OFF state) or in the saturation region (ON state). In the ON state, for th...

easyanswer keyelite explanation
1992 PYQ

In an $$RC$$- coupled common Emitter amplifier which of the following is true?

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1992 PYQ

In a common Emitter amplifier, the un bypassed emitter resistance provides

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