Question is ⇒ Which of the following contributes to harmonics distortion in amplifiers?, Options are ⇒ (A) Positive feedback, (B) Presence of noise, (C) Defective active device, (D) Non-linearity in active device, (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the following contributes to harmonics distortion in amplifiers?, Options are ⇒ (A) Positive feedback, (B) Presence of noise, (C) Defective active device, (D) Non-linearity in active device, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the following contributes to harmonics distortion in amplifiers?
A.	Positive feedback [Wrong Answer]
B.	Presence of noise [Wrong Answer]
C.	Defective active device [Wrong Answer]
D.	Non-linearity in active device [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D 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 :

⇒

Assertion (A): In hybrid digital circuits the problem of logic race can occur.

Reason (R): In two level logic there is no problem of logic race.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ An antenna is synonymous to a
generator
transformer
regulator
reflector

⇒ Pirani gauge is used to measure
very low pressure
high pressure
pressure in the range of 1 atmosphere
fluid flow

⇒ The function δ (t - b) is a
unit impulse
unit step
unit doublet
none of the above

⇒ The polarization phenomena in Faraday rotation
is non-reciprocal
exists along perpendicular direction
exists along the axis of array
does not exist

⇒ Medium scale integration refers to ICs with
more than 12 but less than 30 gates on the same chip
more than 50 gates on the same chip
more than 20 but less than 100 gates on the same chip
more than 12 but less than 100 gates on the same chip

⇒ For a MOS capacitor fabricated on a P-type semiconductor, strong inversion occurs when
surface potential is equal to Fermi potential
surface Potential is greater than Fermi potential
surface potential is - ve and equal to Fermi potential in magnitude
surface potential is + ve and equal to twice the Fermi potential

⇒ Over which frequency range the effect of atmospheric noise is significant?
Over 35 MHz
Below 30 MHz
Between 30 MHz and 100 MHz
Between 100 MHz and 150 MHz

⇒ Sparking affects amplitude modulation.
TRUE
FALSE

⇒ The system in the given figur
type 0 system
type 1 system
type 2 system
type 3 system

⇒ Auto correlation for t = 0 is equal to
average power S of waveform
square of average power S of waveform
half of average power S of waveform
square root of average power S of waveform

⇒ A digital frequency counter can be converted to DVM by addition of a suitable
voltage controlled oscillator
D/A converter
power amplifier
operational amplifier

⇒

Assertion (A): Thevenin's theorem and Norton's theorem are dual of each other.

Reason (R): Voltage source can be converted into current source and vice versa.

Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true

⇒ In forward active region, the operation of a BJT
both junctions are forward biased
both junctions are reverse biased
emitter base junction is forward biased and base collector junction is reverse biased
emitter base junction is reverse biased and base collector junction is reverse biased

⇒ In given figure the switch was closed for a long time before opening at t = 0. The voltage V_x at t = 0^{+25 V
50 V
-50 V
0 V}

⇒ It is required to measure temperature in the range of 1300-1520°C. The most suitable thermocouple is
chromel constantan
iron constantan
chromel aluminium
platinum-rhodium

⇒ Graphic equaliser system in stereophonic systems generally have
3 or 4 bands
1 band
more than 8 bands
large number of bands

⇒

Match the following:

	List I (Camera pick up tubes)		List II (Developed by)
A.	CCD charger	1.	Toshiba
B.	New vicon	2.	Philips
C.	Plumbicon	3.	Matushita
D.	Chalnicon	4.	RCA

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

⇒ The stack pointer holds the address of the desired memory location.
TRUE
FALSE

⇒ In equally tampered scale, frequency of each tone equals the frequency of lower adjacent tone multiplied by
(2)^1/7
(2)^1/12
(2)^1/6
(2)^1/5

⇒ The main advantage of CMOS circuit is
high gain
high output impedance
low power consumption
high gain and high output impedance

⇒ In Pulse Code Modulation system
large bandwidth is required
quantising noise can be overcome by companding
quantising noise can be reduced by decreasing the number of standard levels
suffers from the disadvantage of its incompatibly with TDM

⇒ As per Shannon-Hartley theorem, a noise less Gaussian channel has
zero capacity
infinite capacity
small capacity
none of the above

⇒ A pulse train with a 1 MHz frequency is counted using a 1024 modulus ripple counter using JK flip flops. The maximum propagation delay for each flip-flop should be
1 μs
0.5 μs
0.2 μs
0.1 μs

⇒ The range of signed decimal number that can be represented by 6 bit in complement number is
-31 to +31
-63 to +64
-64 to +63
-32 to +31

⇒ The process of entering data into ROM is called
writing
burning
decoding
registering

⇒ PCM : Quantising Noise :: Transistor :
Partition noise
Shot noise
Whirl
No noise

⇒ For AM receivers the standard IF frequency is
106 kHz
455 kHz
1.07 MHz
10.7 MHz

⇒ If a sample of germanium and a sample of Si have the impurity density and are kept at room temperature then
both will have equal value of resistivity
both will have equal -ve resistivity
resistivity of germanium will be higher than that of silicon
resistivity of Si will be higher than of germanium

⇒ The circuit of figur
Precision integrator
Hartley oscillator
Butterworth high pass filter
Wien bridge oscillator