What is the normal current path in an N-channel JFET?

1 Answer

Answer :

From source to drain.

Related questions

Description : The source and drain of an N-channel JFET are made of what type of material?

Last Answer : N-type material.

Description : With the help of N-channel JFET describe the effect of input voltage VGS on output current ID.

Last Answer : Working of N channel FET: * When a voltage is applied between the drain and source with a DC supply (VDD), the electrons flows from source to drain through narrow channel ... where the channel gets completely blocked and the drain current becomes zero is called pinch- off voltage. 

Description : Draw the transfer characteristics for N-channel JFET.

Last Answer : Transfer characteristics for N-channel JFET: 

Description : Sketch construction of N-channel JFET and explain its operating principle.

Last Answer : Construction of N-channel JFET: Working of N channel FET: a)when VGS is zero,ID flows because of VDS b)Now when VGS increases towards negative, depletion layer also increases on both sides. c)so VGS control drain current ID d)so it is called as field effect Transistor

Description : Describe operation of N-channel JFET

Last Answer : Operation of N-channel JFET  1) When VGS = 0 volt: When a voltage is applied between the drain and source with a DC supply voltage VDD with VGS = 0 V, the electrons flow from source ... to zero. The gate to source voltage at which current reduces to zero is called as pinch-off voltage.

Description : The transit time of the current carriers through the channel of a JFET decides it's?

Last Answer : The transit time of the current carriers through the channel of a JFET decides it's gate characteristics.

Description : When compared to the JFET, what is the input impedance of the MOSFET?

Last Answer : The MOSFET has a higher input impedance.

Description : The input and output signals of a JFET amplifier have what phase relationship?

Last Answer : They are 180 degrees out of phase.

Description : What are the two types of JFET?

Last Answer : N-channel and P-channel.

Description : Sketch p-channel JFET construction.

Last Answer : p- channel JFET constructional diagram:

Description : What is the normal current path for a UJT?

Last Answer : From base 1 to the emitter.

Description : The substrate of an N-channel MOSFET is made of what material?

Last Answer : P-type material.

Description : In a JFET drain current is maximum when VGS is  (a) zero (b) negative (c) positive (d) equal to Vp

Last Answer : A

Description : What happens to the path for current when S1 is open as shown in figure 3-2(A)?

Last Answer : The path for current is incomplete; or, there is no path for current with S1 open.

Description : The seven segment arrangement for numerical display on consoles, test meters and other applications can be either ________________. A. UJT or BJT B. BCD or OCD C. JFET or IGFET D. LED or LCD

Last Answer : Answer: D

Description : Which of the following low noise transistors is commonly used at microwave frequencies? A. MOSFET B. GASFET C. MESFET D. JFET

Last Answer : C. MESFET

Description : The transistor with the lowest noise figure in the microwave region is a A. MOSFET B. Dual-gate MOSFET C. JFET D. MESFET

Last Answer : D. MESFET

Description : Why JFET is called a unipolar transistor?

Last Answer : In JFET, the current conduction is either by electrons or holes and controlled by means of an electric field between the gate electrode and the conducting channel of the device, So it is called as a unipolar transistor.

Description : What is the importance of JFET?

Last Answer : A JFET acts like a voltage controlled device i.e. input voltage controls the output current. This is different from ordinary transistor where input current controls the output current. JFET has higher input impedance than that of a conventional transistor.

Description : What is pinch off voltage in JFET?

Last Answer : Pinch off voltage (VP): It is the minimum drain source voltage at which the drain current essentially becomes constant.

Description : What is JFET?

Last Answer : A junction FET is a three terminal semiconductor device in which current conduction is by one type of carrier (i.e.) electrons or holes.

Description : 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. 

Description : State advantages of MOSFET over JFET.

Last Answer : ➨It can be operated in either enhancement mode or depletion mode. ➨MOSFET have much higher input impedance compare to JFET. ➨They have high drain resistance due to lower resistance of channel. ➨It is easy to manufacture. ➨They support high speed of operation compare to JFETs.

Description : Compare JFET with MOSFET.

Last Answer : Particulars JFET MOSFET 1) Type Voltage controlled device Voltage controlled device 2) Mode of operation Operates only in depletion mode Operates in depletion and enhancement ... 6) Gate connection Not isolated from substrate Isolated by SiO2 layer from substrate

Description : Define junction field effect transistor (JFET) and give an example.

Last Answer : Junction Field-Effect Transistor: It is a semiconductor device having three terminals, namely Gate, Drain and Source, in which the current flow is controlled by an electric field set up by an external voltage applied ... : i) n-channel JFET and ii) p-channel JFET Examples of JFET: BFW 10, BFW 11 

Description : The transconductance of a JFET is computed at constant VDS by: (1) Ratio of change in Idto change of Vgs (2) Ratio of change inVgs to change ofId (3) Product of change in Vgs to change of Id (4) Ratio of change in Vds to change of Id

Last Answer : The transconductance of a JFET is computed at constant VDS by: Ratio of change in Id to change of Vgs 

Description : A depletion MOSFET differs from a JFET in the sense that it has no   (A) channel (B) gate (C) P-N junctions (D) substrate

Last Answer : A depletion MOSFET differs from a JFET in the sense that it has no P-N junctions 

Description : A JFET has the disadvantage of  1. Having low input impedance 2. Having high output impedance 3. Having small gain band-width product 4. Possessing positive temperature coefficient

Last Answer : A JFET has the disadvantage of Having small gain band-width product

Description : The operation of a JFET involves  (A) A flow of minority carriers (B) a flow 0f majority carriers (C) recombination (D) negative resistance

Last Answer : The operation of a JFET involves a flow 0f majority carriers 

Description : The voltage gain of a common -source JFET amplifier depends up on its  (1) Input impedance (2) Amplification factor (3) Dynamic drain resistance (4) Drain load resistance

Last Answer : B

Description : While biasing JFET if drain and source are interchanged, then (A) device will work normally (B) device will get damaged (C) device will work but value of drain current will affected (D) device will not operate at all

Last Answer : B

Description : JFET in properly biased condition acts as a:  (1) Current controlled current source (2) Voltage controlled voltage source (3) Voltage controlled current source (4) Impedance controlled current source

Last Answer : JFET in properly biased condition acts as a: Voltage controlled current source.

Description : A magnetron will produce oscillations when the electrons follow what type of path?

Last Answer : Circular.

Description : What element in the magnetron causes the curved path of electron flow?

Last Answer : The permanent magnet.

Description : A two-cavity klystron without a feedback path will operate as what type of circuit?

Last Answer : Amplifier.

Description : In a circuit using grid-leak biasing, the coupling capacitor (Cc) chargcharge path?

Last Answer : rkg, the cathode to grid resistance.

Description : The flow in a pipe or channel is said to be non-uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option B

Description : The flow in a pipe or channel is said to be uniform when (A) The liquid particles at all sections have the same velocities (B) The liquid particles at different sections have different ... The quantity of liquid flowing per second is constant (D) Each liquid particle has a definite path

Last Answer : Answer: Option A

Description : Common channel signalling______________ (A) Uses the speech or data path for signaling. (B) Does not use the speech or data path for signaling. (C) Needs no additional transmission facilities. (D) Finds it difficult to handle signaling during speech.

Last Answer : (C) Needs no additional transmission facilities.

Description : In the tunnel diode, the tunneling current is at what level when the forbidden gap of the N-type material is at the same energy level as the empty states of the P-type material?

Last Answer : Minimum.

Description : . In a MOSFET, which element is insulated from the channel material?

Last Answer : The gate terminal.

Description : If a target is on the bearing axis of the radiated beam, what is the input to the bearing IF channel?

Last Answer : Zero.

Description : Tracks on each channel of a magnetic drum are grouped into what?

Last Answer : Sectors.

Description : What is a baseband communication channel like?

Last Answer : A party line

Description : When aligning the trace with a short applied to channel A, which control should be adjusted to bring the trace parallel to the vertical axis?

Last Answer : TRACE ROTATE control.

Description : n an NC machining operation, the tool has to be moved from point (5, 4) to point (7, 2) alonga circular path with centre at (5, 2). Before starting the operation, the tool is at (5, 4). The G and N codes for this motion ... 0 I5.0 J2.0 c.N010 GO1 X7.0 Y2.0 I5.0 J2.0 d.N010 GOO X7.0 Y2.0 I5.0 J2.0

Last Answer : b.N010 GO2 X7.0 Y2.0 I5.0 J2.0

Description : Heuristic function h(n) is ________ a) Lowest path cost b) Cheapest path from root to goal node c) Estimated cost of cheapest path from root to goal node d) Average path cost

Last Answer : c) Estimated cost of cheapest path from root to goal node

Description : uniform-cost search expands the node n with the __________ a) Lowest path cost b) Heuristic cost c) Highest path cost d) Average path cost

Last Answer : a) Lowest path cost

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Last Answer : (2) ‘Before making a career choice, one should learn to prioritize career options and use one's personality, interests, abilities, aspirations, strengths and weaknesses to plan and decide the most viable option

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