Question is ⇒ In an amplifier if conductor during the cycle is from 0 to 90° and again from 180° to 270°, the amplifier will be termed as, Options are ⇒ (A) class A, (B) class B, (C) class C, (D) class AB, (E) , Leave your comments or Download question paper.

Question is ⇒ In an amplifier if conductor during the cycle is from 0 to 90° and again from 180° to 270°, the amplifier will be termed as, Options are ⇒ (A) class A, (B) class B, (C) class C, (D) class AB, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	In an amplifier if conductor during the cycle is from 0 to 90° and again from 180° to 270°, the amplifier will be termed as
A.	class A [Wrong Answer]
B.	class B [Correct Answer]
C.	class C [Wrong Answer]
D.	class AB [Wrong Answer]
View Answer 1 -5 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒ In satellite communication, highly directional antennas are used to
direct the spot beam to a particular region of space on Earth
strengthen the beam to overcome the cosmic noise
make corrections in change of polarisation of the beam
select a particular channel in transmission and reception

⇒ The data about p the pull required to lift a weight wby a pulley bloc
3.2 + 0.171 w
2.28 + 0.1879 w
1.2 + 0.25 w
0.6 + 0.3 w

⇒ A particular green LED emits light of wavelength 5490, Å, the energy bandgap of the semiconductor material used there is .. h = 6.6 x 10^-34 J sec.
2.26 eV
1.98 eV
1.17 eV
0.74 eV

⇒ A vertical loop antenna, like a horizontal dipole, is vertically polarised.
TRUE
FALSE

⇒

Assertion (A): A dc stabilizer has constant output voltage irrespective of variations in input voltage and load current

Reason (R): A dc series regulator uses a zener diode across the load to stabilize the output voltage.

Both A and R are correct and R is correct explanation for A
Both A and R are correct but R is not correct explanation for A
A is correct R is wrong
A is wrong R is correct

⇒ The timing difference between a slow memory and fast processor can be resolved if
processor is capable of waiting
external buffer is used
either (a) or (b)
neither (a) nor (b)

⇒ How many and what are the machine cycles needed for execution of MOV D, C?
1, Fetch
2, Fetch and Memory Read
2, Memory Read and Memory write
2, Fetch 4 Bus idle

⇒ In figure, capacitor is uncharged. The switch is closed at t = 0 at t = 0⁺ di/dt100 A/s
-100 A/s
1000 A/s
-1000 A/s

⇒ Modulation is also called detection.
TRUE
FALSE

⇒ The circuit shown in figure, will act as an ideal current source with respect to terminals A and B, when frequenc
zero
1 rad/s
4 rad/s
16 rad/s

⇒
Match the following:
List I List II
A. Electro-encephalograph 1. Diagnostic tool for heart ailment
B. Electro-cardiograph 2. Diagnostic tool for brain ailment
C. Sphygmomanometer 3. used for measuring BP
D. Stethoscope 4. used to heart pulse/ heart beat

A-2, B-1, C-3, D-4
A-3, B-1, C-2, D-4
A-2, B-1, C-4, D-3
A-1, B-2, C-3, D-4

⇒ Magnetic deflection sensitivity is defined as
deflection/flux density
(deflection/flux density)^0.5
(Deflection)^0.5/flux density
none of the above

⇒ Fill in the suitable word in the blanks is the following questions. The electron in the outermost orbit is called __________ electron.
valence
covalent
acceptor
donor

⇒
Match the following:
List I (Transmission system) List II (Mode)
A. Rectangular waveguide 1. TE/TM
B. Circular waveguide 2. TEM
C. Coaxial line 3. Quasi TEM
D. Microstrip line

A-1, B-1, C-2, D-3
A-1, B-2, C-2, D-3
A-2, B-2, C-3, D-3
A-3, B-1, C-2, D-2

⇒ The main purpose of using transformer coupling in a class A amplifier is to make it more
efficient
less costly
less bulky
distortion free

⇒ The resolution of a wire wound potentiometer is about
0.00001
0.001
0.01
0.05

⇒ Antenna reciprocity is put to use in
radar system
commercial broadcast
TV broadcast system
none of the above

⇒ FM has poor efficiency than
AM
AM-SC
PAM
PCM

⇒ An SBS can conduct is one direction only.
TRUE
FALSE

⇒ The unit of permeability is
T
Wb
H/M
H

⇒ The point P in the following figure is stock at 1. The output f wil
ABC
A
AB C
A

⇒ The average value of the wavefor
2 V
0 V
4 V
3 V

⇒ TV receivers use flyback switched mode power supply because
it can supply many voltage outputs
it does not require a filter choke and is cheap
it has very good regulation at all loads
both (a) and (c)

⇒ An advantage of memory interlacing is that
a larger memory is obtained
effective speed of memory is increased
cost of memory is reduced
a non-volatile memory is obtained

⇒ Which of the following flip-flop do not have race problem?
T flip-flop
D flip-flop
JK flip-flop
Master-slave flip-flop

⇒ In CCD
a small charge is deposited for logical 1
a small charge is deposited for both logical 1 and 0
a small charge is deposited for logical 0 and large charge for logical 1
none of the above

⇒ All poles and zeros of a driving point immittance function of an L-C network
should lie on the jω axis
should lie on the +ve real axis
should lie on the - ve real axis
can lie anywhere in s-plane

⇒ In the figure circuit, V₁ = 40 V. When R is 10 Ω. When R is zero, the value of V₂ wil
40 V
30 V
20 V
10 V

⇒ While using Maxwell bridge, the Q factor of a coil is obtained as
1/ωCR
ωCR
ωC/R
R/ωC

⇒ In a photo emissive device and emission efficiency is increased by
coating the cathode ray by an active materials
coating the cathode by an insulating material
heating the cathode
cooling the anode

	List I		List II
A.	Electro-encephalograph	1.	Diagnostic tool for heart ailment
B.	Electro-cardiograph	2.	Diagnostic tool for brain ailment
C.	Sphygmomanometer	3.	used for measuring BP
D.	Stethoscope	4.	used to heart pulse/ heart beat

	List I (Transmission system)		List II (Mode)
A.	Rectangular waveguide	1.	TE/TM
B.	Circular waveguide	2.	TEM
C.	Coaxial line	3.	Quasi TEM
D.	Microstrip line

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math