when bjt is in cutoff ?

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when bjt is in cutoff ?

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asked Sep 10, 2017 by anonymous

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An FET is a better chopper than a BJT because it has

An FET is a better chopper than a BJT because it has (A) lower offset voltage (B) higher series ON resistance (C) lower input current (D) higher input impedance
Last Answer : An FET is a better chopper than a BJT because it has lower offset voltage

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asked Apr 26, 2018 by anonymous

What is a BJT?

What is a BJT?
Last Answer : Bipolar Junction Transistor (BJT): BJT is a Bipolar device. (Uses both electrons and holes charge carrier for current conduction) Two Junctions (Emitter junction & collector ... mode (Current amplification) Cutoff mode (Open switch) Saturation mode (Close switch)

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does the BJT have internal capacitance?

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in which region BJT act as a switch?

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in which BJT operating region both the junctions are reverse biased?

Last Answer : In cut-off region of BJT both the emitter-base junction and collector-base junction are reverse biased.

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in which region BJT act as amplifier?

Last Answer : Active region of BJT act as amplifier.

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what are the three operating regions of BJT?

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Does BJT have second breakdown problem?

Last Answer : Yes BJT have second breakdown problem.

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asked Sep 23, 2017 by anonymous

Is BJT current controlled or voltage controlled?

Last Answer : BJT is current controlled device.

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asked Sep 23, 2017 by anonymous

BJT have how many terminals?

Last Answer : BJT have three terminals Base, emitter and collector.

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asked Sep 21, 2017 by anonymous

why bjt is called current controlled device?

Last Answer : In BJT there is movement of electrons and holes accros the junctions which is basicaly current flow.

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asked Sep 10, 2017 by anonymous

what is bjt biasing?

Last Answer : The proper flow of zero signal collector current and the maintenance of the proper collector emmiter voltage during passage of single called as transistor biasing

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bjt what is beta ?

Last Answer : Beta is the current gain which is the ratio of collector current to base current.

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bjt is active or passive?

Last Answer : BJT control the flow of electron so it is a active device.

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Last Answer : No, BJT is a current controlled device .

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what does bjt stand for?

Last Answer : Bipolar junction transistor

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what are bjt amplifiers used for?

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asked Sep 10, 2017 by anonymous

what are bjt transistors?

what are bjt transistors?
Last Answer : Bjt transistor is a type of transistor which uses both electrons and hole charge carrier.bjts are used as switches and amplifiers.They amplify currents.

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asked Sep 10, 2017 by anonymous

State 2 advantages of JFET over BJT.

State 2 advantages of JFET over BJT.
Last Answer : Advantages of JFET over BJT: 1) High input impedance 2) Better thermal stability 3) Produce less noise 4) Smaller than BJT 5) Rugged in construction and simpler to fabricate 6) High degree of isolation between Input and Output.

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asked Jun 24, 2020 by anonymous

List specification of BJT.

List specification of BJT.
Last Answer : * The bipolar junction transistor (BJT) has small signal current gain, α (hfb). * Maximum collector current Ic (max). * Maximum collector to emitter voltage, VCE (max). * Collector to emitter ... . * Collector to emitter cut off voltage, VCEO. * Base emitter saturation voltage, VBE (sat).

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asked May 2, 2020 by anonymous

State reason BJT is called as bipolar junction transistor.

State reason BJT is called as bipolar junction transistor.
Last Answer : BJT is called bipolar junction transistor because in BJT current conduction takes place due to majority as well as minority charge carriers.

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asked Jul 24, 2019 by anonymous

List configurations of BJT.

List configurations of BJT.
Last Answer : Configurations of BJT : 1) Common Base (CB) configuration 2) Common Emitter (CE) configuration 3) Common Collector (CC) configuration

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asked Jul 10, 2019 by anonymous

State the need of biasing of BJT.

State the need of biasing of BJT.
Last Answer : Need of biasing: The basic need of transistor biasing is to keep the base-emitter (B-E) junction properly forward biased and the collector-emitter (C-E) junction properly reverse biased ... transistor biasing is necessary for normal and proper operation of transistor to be used for amplification.

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asked Sep 5, 2018 by anonymous

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Last Answer : Two advantages of voltage divider biasing of BJT. 1. It is very simple method of transistor biasing. 2. The biasing conditions can be very easily set. 3. there is no loading of ... 5. The resistor RE introduces a negative feedback. So all the advantages of negative feedback are obtained.

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asked Sep 5, 2018 by anonymous

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asked Sep 5, 2018 by anonymous

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asked Sep 5, 2018 by anonymous

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asked Jun 18, 2018 by anonymous

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asked Apr 28, 2018 by anonymous

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What is a BJT amplifier?
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Is the input impedance of MOSFET more than BJT and FET?

Is the input impedance of MOSFET more than BJT and FET?
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asked Feb 6, 2018 by anonymous

Operating frequency of power MOSFET is higher than that of power BJT. Justify the statement.

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Compare BJT, MOSFET and IGBT .

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What is the value of Beta in power BJT?
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Explain the on state losses in power BJT.

Explain the on state losses in power BJT.
Last Answer : On state losses in power BJT: Transistor have four types of losses one is turn on state losses second is turn off state losses third is turn on switching losses and fourth is turn ... ON = VCE sat x IC With increasing collector current collector to emitter saturation voltage increases.

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asked Sep 15, 2017 by anonymous

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asked Sep 15, 2017 by anonymous

why igbt is used instead of bjt and mosfet?

Last Answer : ON state losses of IGBT is less as compared to MOSFET and BJT.

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asked Sep 13, 2017 by anonymous

FET is advantageous in comparison with BJT because of...

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asked Apr 9, 2018 by anonymous

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Compared to MOSFET operational amplifier, BJT operational amplifier has A) Higher input resistance B) Higher slew rate C) Lower input current D) Higher voltage gain

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asked Apr 5, 2018 by anonymous

Is BJT unipolar or bipolar Why?

Is BJT unipolar or bipolar Why?
Last Answer : Bipolar Junction Transistor (BJT) is a bipolar device because current is carried by both holes and electrons hence it is called bipolar.

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asked Jan 5, 2018 by anonymous

Why BJT is a current control device?

Why BJT is a current control device?
Last Answer : BJT have three terminal emitter, base and collector. The collector current is the output current. The collector current (Ic) is controlled by base current hence BJT is called current controlled device.

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asked Feb 26 by anonymous

NITIN P. DESHMUKH · Answer 1 · 2018-01-21T17:08:27+0000

When Q-point is at cut off region means it is just above the horizontal axis V_CE

when bjt is in cutoff ?

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