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What is Baud ?
asked
Nov 11, 2017
by
anonymous
What is Baud ?
baud
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answered
Dec 2, 2017
by
GK_NERIST
It is the rate at which information is transferred in a communication channel. Named after Emile Baudot the inventor of Baudot code (Telegraphy).
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answered
May 22, 2018
by
Neha8235
Baud is the signaling rate, or rate of state transitions, on a communications medium. One baud corresponds to one transition per second.
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Related questions
asked
Mar 19, 2018
by
anonymous
What is a phase control thyristor?
What is a phase control thyristor?
phase
control
thyristor
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138
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Mar 19, 2018
by
anonymous
What is thyristor family?
What is thyristor family?
thyristor
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56
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Mar 19, 2018
by
anonymous
What is meant by firing angle of thyristor?
What is meant by firing angle of thyristor?
Last answer:
The point at which SCR is triggered is known as firings angle of thyristor.
firing
angle
thyristor
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171
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1
answer
asked
Mar 19, 2018
by
anonymous
What is the use of a thyristor in a circuit?
What is the use of a thyristor in a circuit?
use
thyristor
circuit
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asked
Mar 19, 2018
by
anonymous
What is a reverse conducting thyristor?
What is a reverse conducting thyristor?
reverse
conducting
thyristor
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answers
asked
Mar 19, 2018
by
anonymous
What is the function of a thyristor?
What is the function of a thyristor?
function
thyristor
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asked
Mar 19, 2018
by
anonymous
What is the application of thyristor?
What is the application of thyristor?
application
thyristor
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answers
asked
Mar 11, 2018
by
anonymous
What is the need for electrically isolated drive circuits?
What is the need for electrically isolated drive circuits?
electrically
isolated
drive
circuits
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asked
Feb 20, 2018
by
anonymous
What is the difference between beta and forced beta for BJT?
What is the difference between beta and forced beta for BJT?
difference
between
bjt
beta
forced
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answers
asked
Feb 3, 2018
by
anonymous
What is holding current and latching current in SCR ?
What is holding current and latching current in SCR? Draw the gate characteristics of an SCR and explain the characteristics. What are the different signals which can be used for turning on SCR by gate control? compare them.
Last answer:
(i) Holding Current: Holding current is defined as the minimum anode current required to maintain conducting SCR in the on-state. (ii) Latching Current: Latching current is defined as the ... the on-state immediately after the SCR has been turned on and the gate signal has been removed.
holding
current
latching
scr
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2
answers
asked
Dec 9, 2017
by
anonymous
What is the meaning of RMS value?
What is the meaning of RMS value?
Last answer:
RMS value means root mean square value. It is 0.707 times peak value of voltage or current. The ammeter and voltmeter records this rms value. RMS value for sine wave is more than average value. RMS ... same amount of heat as produce by AC when AC is flowing through the same resistance for same time.
rms
value
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2
answers
asked
Dec 9, 2017
by
anonymous
What is the ripple voltage?
What is the ripple voltage?
Last answer:
Ripple voltage is the small variations in Dc voltage that remain after filtering in a power supply.
ripple
voltage
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3
answers
asked
Dec 9, 2017
by
anonymous
What is the difference between forward and reverse bias?
What is the difference between forward and reverse bias?
Last answer:
Forward bias is a PN junction bias which allows current to flow through the junction. Forward bias decreases the resistance of the depletion layer. Reverse bias is a PN junction bias that allows only ... Positive polarity on the n-type material and negative polarity to the p-type material.
difference
between
forward
reverse
bias
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3
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asked
Dec 9, 2017
by
anonymous
What is the voltage of a red LED?
What is the voltage of a red LED?
Last answer:
A red led requires 2v to light. LEDs requires different amounts of voltage ranging between 1.8 and 3.3 depending on the intensity and color of the Led.
voltage
red
led
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4
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asked
Dec 9, 2017
by
anonymous
What is the use of Schottky diode?
What is the use of Schottky diode?
Last answer:
Schottky diode are use in SMPS, Sample and hold circuits and voltage clamping etc.
use
schottky
diode
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asked
Dec 9, 2017
by
anonymous
What is the use of laser diode?
What is the use of laser diode?
Last answer:
laser diodes are use in telecommunication, rangefinders, barcode readers etc.
use
laser
diode
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1
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asked
Dec 9, 2017
by
anonymous
What is the use of SCR?
What is the use of SCR?
Last answer:
SCR are use in lamp dimming, power regulators, motor control, rectifications of high power AC, control of welding machines and also use as switch these are some uses of silicon controlled rectifier.
use
scr
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answer
asked
Dec 9, 2017
by
anonymous
What is the use of fast recovery diode?
What is the use of fast recovery diode?
Last answer:
Fast recovery diode are used in high frequency rectification. Fast recovery diode also used for freewheeling. Fast recovery diode also used for DC to DC converter.
use
fast
recovery
diode
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1
answer
asked
Dec 9, 2017
by
anonymous
What is the use of Tunnel diode ?
What is the use of Tunnel diode ?
Last answer:
Tunnel diode is use in frequency converters and detectors, ultra high speed switching, amplifiers, etc.
tunnel
diode
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asked
Dec 7, 2017
by
anonymous
what is firing angle?
what is firing angle?
Last answer:
Firing angle is time in electrical degrees from the instant the valve voltage is positive to the application of firing pulse to the valve (start of conduction). Also called delay angle.
firing
angle
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asked
Nov 11, 2017
by
anonymous
What is Capacitive coupling ?
What is Capacitive coupling ?
Last answer:
Capacitive coupling is connecting a circuit to another circuit using a capacitor in order to allow only Ac signal to pass through from circuit1 to the other circuit.
capacitive
coupling
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answer
asked
Nov 11, 2017
by
anonymous
What is Cathode ray tube ?
What is Cathode ray tube ?
Last answer:
Cathode ray tube (CRT) is a vacuum tube using cathode rays to generate a picture on a fluorescent screen. These cathode rays are in fact the electron beam deflected and modulated, which impinges on a ... tube used to display data in a visual form. Picture tube of a television or computer terminal.
cathode
ray
tube
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3
answers
asked
Nov 11, 2017
by
anonymous
What is Coulomb's law ?
What is Coulomb's law ?
Last answer:
Coulomb's Law is the force of repulsion/ attraction between two like/unlike charges of electricity concentrated at two points in an isotropic medium is proportional to the product of their magnitudes and ... square of the distance between them and to the dielectric constant of the medium.
coulombs
law
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2
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asked
Sep 15, 2017
by
anonymous
what is depletion type MOSFET?
What is depletion type MOSFET?..........
Last answer:
Depletion MOSFET: Depletion MOSFET is a MOSFET in which the channel already exists. If we apply a voltage between drain and source then the drain current will flow even if the gate to source ... in figure. The drain current will be reduced as the gate to source voltage made more negative.
depletion
type
mosfet
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answer
asked
Sep 15, 2017
by
anonymous
what is enhancement MOSFET?
What is enhancement MOSFET?...............
Last answer:
Enhancement MOSFET: There are two types of MOSFET one is enhancement MOSFET and second is depletion MOSFET. In enhancement MOSFET channel is created by applying threshold voltage between gate and source ... mode. The enhancement MOSFET will not conduct if the gate to source voltage is zero.
mosfet
enhancement
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139
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1
answer
asked
Sep 13, 2017
by
anonymous
what is rectifier and its types?
Last answer:
rectifier is a device which converts AC voltage to pulsating DC voltage using one or more diode diode conducts only in unit direction that is forward bias condition practically it does not conduct ... types one is with using two diodes and Centre tap Transformer and another is bridge wave rectifier
rectifier
types
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71
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1
answer
asked
Aug 9, 2017
by
anonymous
What is Voltage Source Inverter (VSI) ?
What is Voltage Source Inverter (VSI) ?
Last answer:
Voltage Source Inverter (VSI) Inverter is device which converts Direct Current (DC) to Alternating Current (AC). There are two types of inverters one is Voltage source inverter ... VSI consist of two load terminals and three phase VSI consist of three load terminals.
voltage
source
inverter
vsi
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1
answer
asked
Aug 8, 2017
by
anonymous
what is gate turn off thyristor (GTO)?
Draw the structural diagram of GTO. Explain briefly the switching behavior of GTO with the help of appropriate voltage and current waveform.
Last answer:
Gate Turn Off Thyristor (GTO) Conventional Thyristor can be turned on with gate terminal but can not turn off from gate terminal. But in case of Gate Turn Off Thyristor (GTO), we can turn it on and off ... subdivided as storage period (Ts), fall period (Tp) and tail period (Tt).
gto
gate
turn
off
thyristor
voltage
current
waveform
switching
characteristics
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1
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asked
Aug 6, 2017
by
anonymous
what is Cuk converter?
what is Cuk converter and draw its waveforms.
Last answer:
Cuk converter: Cuk converter is the series combination of boost and the buck converter. The Cuk converter is the DC to DC converter whose output voltage is greater than or less the than the input ... controlling the switch duty cycle the output voltage can be controlled.
cuk
converter
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401
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1
answer
asked
Mar 11, 2018
by
anonymous
What are the fundamental requirements of gate drive ICs?
What are the fundamental requirements of gate drive ICs?
fundamental
gate
drive
ics
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asked
Feb 17, 2018
by
anonymous
What are the design constraints of transformer design?
What are the design constraints of transformer design?
Last answer:
Design constraints of transformer design: Core loss, flux density, copper loss and total power loss vs flux density these are the basic constraints in transformer design. Core loss: Flux density: Copper loss: Total power loss vs flux density:
design
constraints
transformer
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88
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1
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asked
Feb 11, 2018
by
anonymous
What are the disadvantages of linear regulator ?
What are the disadvantages of the linear regulator? how are they overcome in the switching regulator? What is continuous and discontinuous mode switching regulator?
Last answer:
Disadvantages of the linear regulator: Linear regulator waste power in the form of heat. Linear regulator has very low efficiency. Linear regulator cannot be used for the step ... between continuous mode and discontinuous mode switching regulator.
disadvantages
linear
regulator
switching
mode
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83
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1
answer
asked
Feb 5, 2018
by
anonymous
What are the desirable characteristics of ideal switch?
What are the desirable characteristics of ideal switch?
Last answer:
Desirable characteristics of the ideal switch: It is desirable to have power switches characteristics closer to ideal switch. The ideal switch should have the following characteristics. Zero resistance when ... . 100% efficiency. Able to control power flow with zero power dissipation.
desirable
characteristics
ideal
switch
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964
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1
answer
asked
Dec 9, 2017
by
anonymous
What would cause a diode to fail?
What would cause a diode to fail?
Last answer:
Supply voltage beyond its limit
diode
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99
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1
answer
asked
Dec 9, 2017
by
anonymous
What does a Shockley diode do?
What does a Shockley diode do?
Last answer:
It is diode have low forward voltage drop and very high switching action
shockley
diode
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1
answer
asked
Dec 6, 2017
by
anonymous
what are the disadvantages of thyristor?
what are the disadvantages of thyristor?
Last answer:
Disadvantages of thyristor The silicon controlled rectifier (SCR) is unidirectional devices, so it can control power only in DC power during positive half cycle of AC supply. Thus only DC power is ... cycle. It cannot be used at higher frequencies. The gate current cannot be negative
disadvantages
thyristor
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2
answers
asked
Sep 13, 2017
by
anonymous
what does schottky diode do?
Last answer:
It is semiconductor diode with a low forward voltage drop and very high switching action
schottkey
diode
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55
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1
answer
asked
Jan 20, 2020
by
anonymous
How it will work when battery supply is connected to emitter with respect to collector
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51
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asked
Oct 13, 2019
by
anonymous
How GTO is advantages over SCR
How GTO is advantages over SCR
Last answer:
i) It is turned-off by negative gate pulse. ii) No commutation circuit required, reducing the cost, size, weight and volume of the circuit. iii) As commutation choke is not used, the associated acoustic ... turn off time permits high switching frequency. v) It has higher di/dt rating at turn-off.
gto
advantages
scr
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1
answer
asked
Jun 22, 2018
by
anonymous
Is gate turn on mechanism of GTO is similar to conventional thyristor?
Is gate turn on mechanism of GTO is similar to conventional thyristor?
Last answer:
Yes gate turn on mechanism of GTO is similar to conventional thyristor.
gto
turn
on
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227
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1
answer
asked
Jun 18, 2018
by
anonymous
How is the GTO turned off?
How is the GTO turned off? A) By using a commutation circuit B) By applying reverse gate pulse C) By using a latch-up circuit D) By reverse anode current pulse
Last answer:
How is the GTO turned off? A) By using a commutation circuit B) By applying reverse gate pulse C) By using a latch-up circuit D) By reverse anode current pulse
gto
turned
off
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86
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1
answer
asked
Jun 4, 2018
by
anonymous
If the input to a differentiating circuit is a saw-tooth wave, then output will be …………….. wave:
If the input to a differentiating circuit is a saw-tooth wave, then output will be …………….. wave: A) square B) rectangular wave C) triangular wave D) rectified sine wave
Last answer:
If the input to a differentiating circuit is a saw-tooth wave, then output will be rectangular wave
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115
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1
answer
asked
Jun 4, 2018
by
anonymous
The current gain of emitter follower is:
The current gain of emitter follower is: A) less than one B) more than one C) zero D) unpredictable
Last answer:
The current gain of emitter follower is: more than one
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66
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1
answer
asked
Jun 4, 2018
by
anonymous
The power loss in a transistor is a function of the product of
The power loss in a transistor is a function of the product of (A) base current and collector-emitter voltage (B) collector current and base current (C) collector current and saturation voltage (D) collector current and collector-emitter voltage
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42
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asked
Jun 4, 2018
by
anonymous
The conducting SCR turns-off when the on-state current is
The conducting SCR turns-off when the on-state current is (A) below the latching current (B) below the holding current (C) equal to the reverse leakage current (D) zero
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asked
Jun 4, 2018
by
anonymous
The duty ratio of a step-up chopper with an output voltage of 200 V from a 80 V dc source, is
The duty ratio of a step-up chopper with an output voltage of 200 V from a 80 V dc source, is (A) 0.4 (B) 0.5 (C ) 0.6 (D) 1.5
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70
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0
answers
asked
May 27, 2018
by
anonymous
How is Power electronics distinct from linear electronics?
How is Power electronics distinct from linear electronics?
Last answer:
It is not primarily in their power handling capacities. While power management IC's in mobile sets working on Power Electronic principles are meant to handle only a few milliwatts, large linear ... 2 EE IIT, Kharagpur Distributed under Creative Commons Attribution-ShareAlike - CC BY-SA.
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401
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1
answer
asked
May 25, 2018
by
anonymous
A thyristor is triggered by a pulse train of 5 kHz. The duty ratio is 0.4. If the allowable average power is 100 W,
A thyristor is triggered by a pulse train of 5 kHz. The duty ratio is 0.4. If the allowable average power is 100 W, the maximum allowable gate drive power will be
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asked
May 23, 2018
by
anonymous
TRIAC is an ac switch which can be made to conduct on
TRIAC is an ac switch which can be made to conduct on
Last answer:
TRIAC is an ac switch which can be made to conduct on both half cycle of AC voltage.
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47
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1
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asked
May 22, 2018
by
anonymous
A series inductor is normally added in a thyrister circuit for achieving protection against:
A series inductor is normally added in a thyrister circuit for achieving protection against:
Last answer:
A series inductor is normally added in a thyrister circuit for achieving protection against: high di/dt
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61
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