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Recent questions tagged electronic devices
+3
votes
1
answer
In a full wave rectifier circuit operating from 50 Hz mains frequency the fundamental frequency
asked
Apr 3, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
jee
aiims
jee mains
electronic devices
class-12
+2
votes
1
answer
If in a p-n junction diode, a square input signal of 10 V is applied as shown.
asked
Mar 17, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+1
vote
1
answer
By increasing the temperature, the specific resistance of a conductor and a semiconductor
asked
Mar 16, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
The electrical conductivity of a semiconductor increases when electromagnetic radiation
asked
Mar 15, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
If the ratio of the concentration of electrons to that of holes in a semiconductor is 7/5
asked
Mar 5, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+1
vote
1
answer
The circuit shown in the figure has two oppositely connected ideal diodes connected in parallel.
asked
Mar 4, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
jee
solids and semiconductor devices
jee mains
electronic devices
class-12
+1
vote
1
answer
An n-p-n transistor in a common-emitter mode is used as a simple voltage-amplifier with a collector-current of 4mA.
asked
Feb 27, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
jee
semiconductors
electronic devices
jee mains
semiconductor devices
class-12
+2
votes
1
answer
The motion of charge carriers, across the potential barrier, in a forward and reverse biased p–n junction, is due, respectively, to
asked
Feb 27, 2019
in
JEE
by
kratos
electronic devices
solids and semiconductor devices
jee
jee mains
+2
votes
1
answer
In a common base amplifier the phase difference between the input signal voltage and the output voltage is
asked
Feb 19, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
jee
electronic devices
jee mains
class-12
+1
vote
1
answer
In the middle of the depletion layer of reverse biased p-n junction, the (a) electric field is zero
asked
Feb 19, 2019
in
JEE
by
kratos
semiconductor electronics
jee
jee mains
electronic devices
class-12
+2
votes
1
answer
The combination of gates shown below yields (a) OR gate (b) NOT gate
asked
Feb 19, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
The reading of the ammeter for a silicon diode in the given circuit is :-
asked
Feb 14, 2019
in
JEE
by
kratos
jee mains 2018
jee
jee mains
electronic devices
class-12
+2
votes
1
answer
Truth table for system of four NAND gates as shown in figure is :
asked
Feb 12, 2019
in
JEE
by
kratos
semiconductor electronics
electronic device
jee
solids and semiconductor devices
jee mains
electronic devices
digital electronics
class-12
+1
vote
1
answer
A p-n junction (D) shown in the figure can act as a rectifier. An alternating current source (V) is
asked
Feb 11, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental frequency in the ripple will be
asked
Feb 11, 2019
in
Class 12
by
kratos
semiconductor electronics
neet
aiims
jee
solids and semiconductor devices
electronic devices
jee mains
class-12
+2
votes
1
answer
The output of an OR gate is connected to both the inputs of a NAND gate. The combination will serve as a
asked
Jan 31, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
Carbon, silicon and germanium have four valence electrons each. At room temperature,
asked
Jan 30, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+3
votes
1
answer
The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it.
asked
Jan 24, 2019
in
JEE
by
kratos
semiconductor electronics
electronic device
jee
solids and semiconductor devices
electronic devices
jee mains
class-12
the solid state
+3
votes
1
answer
In the adjacent circuit, A and B represent two inputs and C represents the output. The circuit represents (a) NOR gate
asked
Jan 22, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
+1
vote
1
answer
The difference in the variation of resistance with temperature in a metal and a semiconductor
asked
Jan 19, 2019
in
JEE
by
kratos
jee
jee mains
electronic devices
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