What is the main use of a transistor?

Compare P.N.P and N.P.N transistor.
Last Answer : Parameter PNP transistor NPN transistor Definition Two blocks of p- types semiconductors are separated by one thin block of n-type semiconductor. Transistor in which two ntype layer ... Positive Voltage Emitter Terminal Collector Terminal Ground Signal High Low

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asked Aug 19, 2019 by anonymous

Draw construction of SCR using two transistor model. Explain its operation.

Draw construction of SCR using two transistor model. Explain its operation.
Last Answer : Two Transistor Model of SCR or Thyristor

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asked Jul 25, 2019 by anonymous

Draw the V-I characteristics of power transistor.

Draw the V-I characteristics of power transistor.
Last Answer : V-I characteristics of power transistor:

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asked Jul 25, 2019 by anonymous

Describe thermal runaway of transistor and explain how it can be avoided.

Describe thermal runaway of transistor and explain how it can be avoided.
Last Answer : Concept of thermal runaway: 1.We know that IC = β IB + (1+ β) ICO Where ICO is the leakage current and ICO is strongly dependent on temperature. 2. Leakage current approximately doubles for ... Thermal runaway can be avoided by : 1) Using stabilization circuitry 2) Heat sink

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asked Jul 24, 2019 by anonymous

Define α and β of the transistor.

Define α and β of the transistor.
Last Answer : α: The ratio of collector current IC to emitter current IE for a constant collector to base voltage VCB in the CB configuration is called current gain alpha (α). β : The ratio of collector ... a constant collector to emitter voltage VCE in the CE configuration is called current gain beta (β) .

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asked Jul 24, 2019 by anonymous

List various transistor biasing methods.

List various transistor biasing methods.
Last Answer : Types of biasing methods: i. Base bias (or fixed bias) ii. Base bias with emitter feedback. iii. Base bias with collector feedback iv. Voltage divider bias (or self bias) v. Emitter bias.

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asked Jul 24, 2019 by anonymous

Transistor operating configurations

Transistor operating configurations
Last Answer : Transistor operating configurations

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asked May 20, 2019 by anonymous

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

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

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asked Sep 5, 2018 by anonymous

Explain working of n-p-n transistor in unbiased condition.

Explain working of n-p-n transistor in unbiased condition.
Last Answer : Construction of NPN transistor: For an unbiased transistor no external power supplies are connected to it. Base is sandwiched between collector & emitter terminal. It is thin & lightly doped ... providing external power supply to transistor & this process is known as Biasing.

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asked Sep 5, 2018 by anonymous

Define α & β and derive the relation between (α) &) (β) of transistor.

Define α & β and derive the relation between (α) &) (β) of transistor.
Last Answer : α : The ratio of output collector current IC to input emitter current IE in the CB configuration is called current gain alpha (α). β : The ratio of output collector current IC to the input base current IB in the CE configuration is ... ( 1/β) + 1 hence 1/ α = (1+β )/ β Therefore, α = β /(1+β)

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asked Sep 5, 2018 by anonymous

Define biasing of transistor

Define biasing of transistor
Last Answer : Biasing of transistor is the process that makes the base emitter junction of transistor always forward biased and collector junction reverse biased for achieving the faithful amplification .

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asked Sep 5, 2018 by anonymous

With neat diagram explain working of NPN transistor.

With neat diagram explain working of NPN transistor.
Last Answer : N-p-n transistor is made by sandwiching thin layer of p-type semiconductor between two layers of n-type semiconductor. It has three terminals - Emitter, Base and collector. The npn transistor has two ... up in the collector as it is more positive. In this way, current flows in the transistor.

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asked Sep 5, 2018 by anonymous

Draw and explain self-basing of a transistor.

Draw and explain self-basing of a transistor.
Last Answer : Transistor Biasing is the process of setting a transistors DC operating voltage or current conditions to the correct level so that any AC input signal can be amplified correctly by the transistor. ExplanationIt ... Applying KVL to o/p loop , Collector-emitter voltage, VCE = VCC − IC RC

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asked Sep 5, 2018 by anonymous

Compare between CB , CE & CC transistor configuration.

Compare between CB , CE & CC transistor configuration.
Last Answer : Parameter CB CE CC I/P impedance Low Or 50Ω Medium Or 600Ωto 4kΩ High Or 1 MΩ Current Gain Less than or equal to 1 High Highest Voltage Gain Medium Medium Less ... k Ω to 50 k Ω Low Or 50 Ω Phase shift between input and output 0° 360° 0°

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asked Sep 4, 2018 by anonymous

Why transistor is called as bipolar device.

Why transistor is called as bipolar device.
Last Answer : BJT is called bipolar device because in BJT current conduction takes place due to majority as well as minority charge carriers that is because of electrons as well as holes.

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asked Sep 4, 2018 by anonymous

Why do we need to bias a transistor?

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asked Mar 22, 2018 by anonymous

How do you bias a transistor?

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asked Mar 22, 2018 by anonymous

What do you mean by biasing of a transistor?

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asked Mar 22, 2018 by anonymous

List the main parts of D.C. motor

List the main parts of D.C. motor
Last Answer : Main parts of D.C. motor and their functions: Part Functions Yoke i) Provides mechanical support for poles. ii) Acts as protecting cover for machine. iii) Carries magnetic flux. ... a fixed physical position relative to the stator. Shaft Used to transfer mechanical power

149 views 1 answer

asked Apr 27, 2020 by anonymous

What are the main electrical equipment used in HPS ? State the function of each parts of it in brief.

What are the main electrical equipment used in HPS ? State the function of each parts of it in brief.
Last Answer : Following Main Electrical Equipment used in HPS & their function: 1. Alternator 2. Exciter 3. Transformer 4. Switchgear Function : 1) Alternator:- Alternator is coupled to ... part from the healthy section. It contains circuit breaker, relays, switches and other control devices.

141 views 1 answer

asked Aug 2, 2019 by anonymous

List out main components of Diesel power station.

List out main components of Diesel power station.
Last Answer : Main components of Diesel power station: 1) Diesel Engine 2) Engine Air intake system 3) Engine Fuel System 4) Engine Exhaust system 5) Engine cooling system 6) Engine Lubricating system 7) Engine Starting system 8) Diesel Engine Generator (Alternator)

105 views 1 answer

asked Aug 2, 2019 by anonymous

List out main components of Reactors.

List out main components of Reactors.
Last Answer : List the main components of Reactors: 1. Core 2. Nuclear fuel (U235) 3. Moderator 4. Control Rod 5. Reflector 6. Reactor vessel 7. Shielding

72 views 1 answer

asked Aug 2, 2019 by anonymous

How rating of main switch and cable is selected for Industrial Installation.

How rating of main switch and cable is selected for Industrial Installation.
Last Answer : 1. Rating of Main Switch or Fuse Rating is decided in industrial installation: Rating of main switch or fuse is based up the starting current of motor. For calculating starting current is considered 2 ... take 1.5 times the rated current or full load current. & thus cable rating is decided.

327 views 1 answer

asked Sep 20, 2018 by anonymous

The main advantage of AC over DC is:

The main advantage of AC over DC is: (A) Conversion flexibility from one voltage level to other (B) AC can be easily converted into DC by using a rectifier (C) AC is easy to maintain & can be easily distributed at long distances (D) All of the above
Last Answer : Ac is easy to maintain and ac can be easily converted to dc by rectifier .There is no commutator for conversion in ac that's why ac machines are weight less and more efficiency.ac machines occupy less space than dc .

143 views 2 answers

asked May 8, 2018 by anonymous

The main objectives in framing tariff are:

The main objectives in framing tariff are: (A) The consumers must readily understand the tariffs (B) The tariff must be equitable amongst different consumers (C) Tariffs can be modified from time to time (D) All of the above
Last Answer : The main objectives in framing tariff are: (A) The consumers must readily understand the tariffs (B) The tariff must be equitable amongst different consumers (C) Tariffs can be modified from time to time (D) All of the above

108 views 1 answer

asked May 8, 2018 by anonymous

In main line service as compared to urban and suburban service?

Last Answer : In main line service as compared to urban and suburban service distance between the stops is more, maximum speed reached is high, acceleration and retardation rates are low.

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asked Mar 22, 2018 by anonymous

In split phase motor main winding is of?

Last Answer : In split phase motor main winding is of thick wire placed at the bottom of the slots.

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asked Mar 20, 2018 by anonymous

The main function of a fuse is to?

Last Answer : The main function of a fuse is to prevent excessive currents.

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asked Mar 19, 2018 by anonymous

What is the main disadvantage of phase advancers?

What is the main disadvantage of phase advancers?
Last Answer : It cannot be used for motors below 20 H.P.

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asked Mar 19, 2018 by anonymous

What is the main purpose of electroplating?

What is the main purpose of electroplating?
Last Answer : Protecting reactive metals from corrosion.

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asked Mar 11, 2018 by anonymous

What are the main causes of harmonics?

What are the main causes of harmonics?
Last Answer : Harmonic is a non linear load because linear load voltage deviated due to connection of some electrinie device such as converter,inverter

177 views 1 answer

asked Mar 10, 2018 by anonymous

What are the main parts of a generator?

What are the main parts of a generator?
Last Answer : the main parts of the generator are as follows yoke Armature Poles field winding Prime mover Commutator Shaft Bearings Brushes

84 views 1 answer

asked Dec 16, 2017 by anonymous

Differences between MOSFET and FET

Difference between MOSFET and FET

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asked Jul 21, 2021 by nanirur

Why silicon is most used in transistors

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asked Oct 14, 2019 by Engineer kipngeno

What is the basic use of capacitor?

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asked Mar 15, 2018 by anonymous

What is the use of stability factor?

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asked Mar 10, 2018 by anonymous

How Household Use Electricity And Energy

How Household Use Electricity And Energy
Last Answer : I have often wondered what the average use of energy of appliances is. Here is a breakdown by percentage usage of each consuming appliance taken from a sampling of US households. Refrigerators 13.7% ... Telephone 0.2 Rechargeable Tools 0.2 Humidifier 0.1 Automobile Block Heater 0.0 Residual 7.3

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asked Jun 23, 2021 by itszee

How To Make Use Of Empty Film Canisters

How To Make Use Of Empty Film Canisters
Last Answer : Canteen SWAP Glue two grey lids together. Blue a small strip of leather around the outside, leaving some hanging for the carrying strap'. Glue pony bead on top for screw top. Flower Vase SWAP Use ... on two small wiggle eyes. Glue the lid on at an angle so the pompom head shows peeking out.

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asked May 28, 2021 by itszee

How To Make Use Of Household Salt

How To Make Use Of Household Salt
Last Answer : 1. Soak stained hankies in salt water before washing. 2. Sprinkle salt on your shelves to keep ants away. 3. Soak fish in salt water before descaling; the scales will come off easier. 4. Put a ... 't smell and will bake into a dry, light crust which will wipe off easily when the oven has cooled.

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asked May 28, 2021 by itszee

10 Ways To Use AlkaSeltzer

10 Ways To Use AlkaSeltzer
Last Answer : Clean a toilet Drop in two Alka-Seltzer tablets, wait twenty minutes, brush, and flush. The citric acid and effervescent action clean vitreous china. Clean a vase To remove a stain from the bottom of a ... mosquitos flock to it, drop dead and fall into the water or on the floor within about 10 ft.

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asked May 28, 2021 by itszee

10 Unusual Ways to Use a Dishwasher

10 Unusual Ways to Use a Dishwasher
Last Answer : You may already know that dishwashers use less energy than hand-washing dishes, but did you know that they can be used for an assortment of other tasks, as well? Even if your dishwasher no longer functions for ... home? What do you do with it to make it earn its keep? Tell us in the comments below!

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asked May 25, 2021 by itszee

How to Use the Secret

How to Use the Secret
Last Answer : How to Use the Secret You've heard it before on the radio, talk shows and over lunch: the Secret. What is it? Learn about the life-changing plan to get positive energy and change ... others and contribute to spreading positive energy. It will help create a cycle of continuous giving and receiving.

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asked May 24, 2021 by itszee

How to Use Punctuation

How to Use Punctuation
Last Answer : How to Use Punctuation Perfect English may seem intimidating to some people, but the proper punctuation marks are often all that stand between a good piece and a bad one. Whether you're writing a ... you need to brush up on your grammar skills and practice writing every day to get them right.

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asked May 24, 2021 by itszee

How to Use Proper Grammar

How to Use Proper Grammar
Last Answer : How to Use Proper Grammar A common notion in grammar is that if it sounds good or looks good, then it must be good. There's a difference between grammar that's OK, and grammar that's proper ... these tips, you can land the perfect impression on your readers with a perfect, solid use of grammar.

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asked May 24, 2021 by itszee

Neha8235 · Answer 1 · 2018-05-21T19:48:36+0000

Answer :

Main use of a transistor as amplifier and as switch.

answered May 21, 2018 by Neha8235

What is the main use of a transistor?

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