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How do we test a diode?
asked
Mar 15, 2018
by
anonymous
How do we test a diode?
test
diode
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asked
Mar 15, 2018
by
anonymous
How do you test a capacitor with a multimeter?
How do you test a capacitor with a multimeter?
test
capacitor
multimeter
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114
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you test a triac?
How do you test a triac?
test
triac
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0
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38
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0
answers
asked
Mar 15, 2018
by
anonymous
How do you test an SCR?
How do you test an SCR?
test
scr
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47
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0
answers
asked
Mar 15, 2018
by
anonymous
How can you identify a zener diode?
How can you identify a zener diode?
Last answer:
It conducts current in either direction.
identify
zener
diode
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199
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2
answers
asked
Dec 25, 2017
by
Nitin
How much time a diode takes to switch ON in forward bias
How much time a diode takes to switch ON in forward bias condition.
Last answer:
t=0 sec.
forward
bias
diode
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117
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1
answer
asked
Sep 21, 2017
by
anonymous
Diode have how many terminals?
Last answer:
Diode have two terminals.
diode
terminals
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98
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4
answers
asked
Dec 9, 2017
by
anonymous
Can we use a zener diode as a rectifier?
Can we use a zener diode as a rectifier?
Last answer:
Yes we can use zener diode as rectifier but it have limitations better to use normal diode. Zener diode have some different applications.
zener
diode
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1
answer
asked
Apr 28, 2018
by
anonymous
If a 5-bus test system contains 6 transmission lines and one transformer, how many non- zero elements are
If a 5-bus test system contains 6 transmission lines and one transformer, how many non-zero elements are there in the system Y-bus ? (A) 25 (B) 12 (C) 11 (D) 19
Last answer:
If a 5-bus test system contains 6 transmission lines and one transformer, 19 non-zero elements are there in the system Y-bus.
test
system
contains
transmission
lines
transformer
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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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67
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1
answer
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
Sep 21, 2017
by
anonymous
when a diode conducts?
Last answer:
Diode conducts when the anode voltage is greater than the cathode voltage.
conduct
diode
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65
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1
answer
asked
May 16, 2020
by
anonymous
Suggest the diode material suitable to rectify 0.5V AC signal.
Suggest the diode material suitable to rectify 0.5V AC signal.
Last answer:
The diode material suitable to rectify 0.5V AC signal is silicon
diode
material
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82
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1
answer
asked
May 16, 2020
by
anonymous
Draw symbols of zener diode and LED.
Draw symbols of zener diode and LED.
Last answer:
Symbol of zener diode : Symbol of LED
symbols
zener
diode
led
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50
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1
answer
asked
Apr 28, 2018
by
anonymous
Which diode exhibits negative resistance characteristic?
Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
Last answer:
Which diode exhibits negative resistance characteristic? (A) LED (B) Zener (C) Tunnel diode (D) PN diode
diode
exhibits
negative
resistance
characteristic
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69
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1
answer
asked
Mar 15, 2018
by
anonymous
Which side of the diode is positive?
Which side of the diode is positive?
diode
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52
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0
answers
asked
Sep 27, 2017
by
anonymous
what is the leakage current of diode?
Last answer:
In Reverse bias of diode when the cathode is connected to positive and anode is connected to negative very small current flows this very small current is known as leakage current of diode.
leakage
current
diode
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68
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1
answer
asked
Apr 27, 2020
by
anonymous
With the help of neat diagram, describe the procedure to carry out phasing out test on a 3 phase transformer. Also state the purpose of conducting this test on 3 phase transformer.
With the help of neat diagram, describe the procedure to carry out phasing out test on a 3 phase transformer. Also state the purpose of conducting this test on 3 phase transformer.
Last answer:
i) This test is carried out on 3-ph transformer to identify primary & secondary winding belonging to the same phase. ii) As shown in fig above all primary & secondary phases ... of this test is to check the respective phases of primary & secondary windings in 3-ph transformer
phasing
out
test
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1
answer
asked
Apr 29, 2018
by
anonymous
Slip test is performed to determine : (A) Slip in an induction motor vtkgi Xd and Xq in a salient pole alternator
Slip test is performed to determine : (A) Slip in an induction motor (B) Xd and Xq in a salient pole alternator (C) Synchronous impedance in an alternator (D) Positive and negative sequence impedances of an alternator
Last answer:
Slip test is performed to determine : Xd and Xq in a salient pole alternator
slip
test
determine
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78
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1
answer
asked
Mar 20, 2018
by
anonymous
The duration of sudden short-circuit test on a synchronous motor is usually about?
Last answer:
The duration of sudden short-circuit test on a synchronous motor is usually about one second.
short-circuit
test
synchronous
motor
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113
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1
answer
asked
Mar 19, 2018
by
anonymous
During open circuit test of a transformer?
During open circuit test of a transformer?
Last answer:
During open circuit test of a transformer primary is supplied rated voltage.
open
circuit
test
transformer
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78
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1
answer
asked
Mar 19, 2018
by
anonymous
An open-circuit test on a transformer is conducted primarily to measure?
An open-circuit test on a transformer is conducted primarily to measure?
Last answer:
The open-circuit test in a transformer is used to measure
open-circuit
test
transformer
conducted
primarily
measure
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265
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2
answers
asked
Mar 19, 2018
by
anonymous
A no-load test is performed on a transformer to determine?
A no-load test is performed on a transformer to determine?
Last answer:
A no-load test is performed on a transformer to determine magnetizing current and loss.
no-load
test
transformer
determine
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84
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1
answer
asked
Mar 10, 2018
by
anonymous
What is a high voltage test?
What is a high voltage test?
high
voltage
test
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0
answers
asked
Apr 30, 2020
by
anonymous
Polarity Test of Transformer
Polarity Test of Transformer
Last answer:
.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
polarity
test
of
transformer
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278
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2
answers
asked
Apr 27, 2020
by
anonymous
Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.
Explain the procedure to perform Short Circuit test on single phase transformer with circuit diagram.
explain
the
procedure
to
perform
short
circuit
test
on
single
phase
transformer
with
diagram
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68
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0
answers
asked
Apr 27, 2020
by
anonymous
Explain the open delta (delta-delta) test on transformer.
Explain the open delta (delta-delta) test on transformer.
open
delta
delta-delta
test
transformer
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55
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0
answers
asked
Apr 22, 2020
by
anonymous
DC motor brake test numerical
DC motor brake test numerical
Last answer:
.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
dc
motor
brake
test
numerical
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49
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2
answers
asked
Apr 21, 2020
by
anonymous
Brake test on DC series motor
Brake test on DC series motor
Last answer:
.embed-container { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%; } .embed-container iframe, .embed-container object, .embed-container embed { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
brake
test
on
dc
series
motor
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155
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2
answers
asked
Apr 16, 2020
by
anonymous
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
Explain the need and steps to conduct the reduced voltage running up test on the three phase induction motor.
explain
the
need
and
steps
to
conduct
reduced
voltage
running
up
test
on
three
phase
induction
motor
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58
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0
answers
asked
Jul 27, 2019
by
anonymous
Why phasing out and polarity test is carried out on three phase transformer?
Why phasing out and polarity test is carried out on three phase transformer?
Last answer:
The phasing out test is carried out to identify the windings (primary and secondary) of corresponding phase of the three phase transformer. The polarity test is carried out to identify the ... identical polarity of the primary and secondary windings of each phase of the three phase transformer.
phasing
out
polarity
test
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162
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1
answer
asked
Jul 22, 2019
by
anonymous
What is test bench? Write its applications
What is test bench? Write its applications
Last answer:
Test Bench: A test bench is used to verify the functionality of the design. We need to stimulate our designs in order to test their functionality. Stimulus in a real system is from an ... the entity under test and to collect output responses. 6. To compare output responses with expected values.
test
bench
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54
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1
answer
asked
Mar 21, 2018
by
anonymous
Murray loop test can be used for location of?
Last answer:
Murray loop test can be used for location of both the ground fault and the short-circuit fault.
murray
loop
test
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58
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1
answer
asked
Mar 20, 2018
by
anonymous
Hopkinson's test on D.C. machines is conducted at?
Last answer:
Hopkinson's test on D.C. machines is conducted at full-load.
hopkinsons
test
dc
machines
conducted
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78
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1
answer
asked
Mar 19, 2018
by
anonymous
Short circuit test on transformers is conducted to determine?
Last answer:
Short circuit test on transformers is conducted to determine copper losses.
short
circuit
test
transformers
conducted
determine
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106
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1
answer
asked
Mar 19, 2018
by
anonymous
Sumpner's test is conducted on transformer to determine?
Sumpner's test is conducted on transformer to determine?
Last answer:
Sumpner's test is conducted on transformer to determine temprature.
sumpners
test
conducted
transformer
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0
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92
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1
answer
asked
Mar 10, 2018
by
anonymous
Why high voltage test is done?
Why high voltage test is done?
high
voltage
test
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0
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51
views
0
answers
asked
Mar 10, 2018
by
anonymous
What is an insulation resistance test?
What is an insulation resistance test?
insulation
resistance
test
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54
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0
answers
asked
Sep 27, 2017
by
anonymous
in short circuit test of transformer which side is short circuited?
Last answer:
Low voltage side is short circuited.
transformer
short
circuit
test
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140
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1
answer
asked
Sep 27, 2017
by
anonymous
in short circuit test of transformer which side is low voltage side and which side is high voltage side?
Last answer:
Primary is high voltage side and Secondary is low Voltage side.
transformer
circuit
test
short
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97
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1
answer
asked
Sep 27, 2017
by
anonymous
in open circuit or no load test of transformer which side is open circuited?
Last answer:
High Voltage side is open circuited.
transformer
open
circuit
test
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1
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0
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90
views
1
answer
asked
Sep 27, 2017
by
anonymous
in open circuit or no load test of transformer which side is low voltage side and which side is high voltage side?
Last answer:
Primary side is low voltage side and secondary side is high voltage side.
open
circuit
test
transformer
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1
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0
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94
views
1
answer
asked
Sep 3, 2017
by
anonymous
what is short circuit test in transformer?
Last answer:
In short circuit test of transformer the low voltage side is short circuited . On high voltage side the voltmeter is connected in parallel and ammeter in series and also a wattmeter is ... circuit test is done for determining impedance and losses. In this test iron losses is neglected.
short
circuit
test
transformer
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134
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1
answer
asked
Nov 18, 2019
by
vaibhavsslko
Why is there a difference in the resistors connected to the zener diode ?
zener
diode
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94
views
0
answers
asked
Jun 18, 2018
by
anonymous
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω
Last answer:
A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω
zener
voltage
regulator
load
diode
minimum
current
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2.6k
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1
answer
asked
Jun 18, 2018
by
anonymous
A diode in which the change in reverse bias voltage varies the capacitance is called as
A diode in which the change in reverse bias voltage varies the capacitance is called as A) Varactor diode B) Switching diode C) Tunnel diode D) Zener-diode
Last answer:
A diode in which the change in reverse bias voltage varies the capacitance is called as Varactor diode
diode
reverse
bias
voltage
capacitance
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61
views
1
answer
asked
Mar 22, 2018
by
anonymous
What is a diode clamper circuit?
What is a diode clamper circuit?
Last answer:
Tha faction of diode
diode
clamper
circuit
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121
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1
answer
asked
Dec 28, 2017
by
anonymous
what is the minimum voltage required to turn on a diode ?
what is the minimum voltage required to turn on a diode ?
Last answer:
0.7 v sil and 0.3 v for gr
minimum
voltage
turn
on
diode
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1
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128
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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
views
1
answer
asked
Feb 21, 2020
by
anonymous
Diode
Diode
diode
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44
views
0
answers
asked
Oct 19, 2019
by
anonymous
Diode VI characteristics
Diode VI characteristics
Last answer:
Diode VI characteristics
diode
vi
characteristics
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208
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1
answer
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