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Recent questions tagged electronic device
+2
votes
1
answer
Assertion : An n-type semiconductor has a large number of electrons but still it is electrically neutral.
asked
Apr 6, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
electronic device
aiims
atomic structure
class-7
class-12
+2
votes
1
answer
Thin ozone layer on top of stratosphere is crucial for human survival. Why?
asked
Apr 5, 2019
in
Class 12
by
kratos
cbse
electronic device
electromagnetic waves
communication systems
class-12
electromagnetic spectrum
+3
votes
1
answer
A pure semiconductor has equal electron and **** concentration of 10^16 m^–3. Doping by indium
asked
Apr 5, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
electronic device
p-block element
class-11
class-12
+1
vote
1
answer
Explain why elemental semiconductor cannot be used to make visible LEDs.
asked
Apr 4, 2019
in
JEE
by
kratos
semiconductor electronics
electronic device
jee
jee mains
class-12
+3
votes
1
answer
Pure silicon doped with phosphorous is a
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
cbse
electronic device
aiims
solid state
class-12
+1
vote
1
answer
In rate expression what is the negative symbol represents
asked
Apr 3, 2019
in
JEE
by
kratos
class-8
electronic device
map reading
jee
electric current and its effects
class-7
jee mains
effects of electric current
complex numbers
+2
votes
1
answer
State the factor, which controls : (i) wavelength of light, and (ii) intensity of light emitted by an LED.
asked
Apr 2, 2019
in
JEE
by
kratos
semiconductor electronics
electronic device
jee
jee mains
class-12
+2
votes
1
answer
Draw the circuit symbol of p-n-p transistor.
asked
Apr 1, 2019
in
Class 12
by
kratos
electronic device
semiconductor electronics
class-12
cbse
+2
votes
1
answer
For a common base circuit if Ic/Ie = 0.98 then current gain for common emitter circuit will be (a) 49 (b) 98 (c) 4.9 (d) 25.5
asked
Apr 1, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
electronic device
jee
jee mains
class-12
+2
votes
1
answer
A n-p-n transistor conducts when (a) both collector and emitter are positive with respect to the base
asked
Mar 31, 2019
in
JEE
by
kratos
semiconductor electronics
material devices
cbse
electronic device
jee
diodes and application
jee mains
class-12
+2
votes
1
answer
For a p–n junction diode which of the following statement is correct
asked
Mar 26, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
+3
votes
1
answer
In half wave rectification, what is the output frequency if the input frequency is 60 Hz. What is the output frequency of a full wave rectifier
asked
Mar 26, 2019
in
Class 12
by
kratos
electronic device
semiconductor electronics
class-12
bseb model set
+1
vote
1
answer
For n -type Germanium, impurity doped in Germanium is :
asked
Mar 26, 2019
in
Class 12
by
kratos
class-12
neet
solid state
semiconductor electronics
bseb model set
electronic device
+2
votes
1
answer
Why does the reverse current in pn-junction show a sudden increase at the critical voltage?
asked
Mar 26, 2019
in
Class 12
by
kratos
electronic device
class-12
+2
votes
1
answer
The given truth table is for which logic gate?
asked
Mar 24, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
+3
votes
1
answer
Draw the circuit diagram of a full wave rectifier and state how it works.
asked
Mar 22, 2019
in
Class 12
by
kratos
electronic device
semiconductor electronics
class-12
+2
votes
1
answer
Colour of the light emitted by LED depends on
asked
Mar 21, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
+1
vote
1
answer
From the zener diode circuit shown in the figure given below, the current through zener is
asked
Mar 20, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
+2
votes
1
answer
Fig. shows a common–emitter amplifier. The current gain α of transistor is 100/101. For an input signal voltage Vi = 2 mV
asked
Mar 19, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
+3
votes
1
answer
Why are NAND and NOR gates called digital building blocks?
asked
Mar 17, 2019
in
JEE
by
kratos
electronic device
class-12
jee
jee mains
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