Question is ⇒ Which of the follow, Options are ⇒ (A) Voltage series feedback and decrease I/P impedance., (B) Voltage shunt feedback and decrease I/P impedance., (C) Voltage series feedback and increase I/P impedance., (D) Voltage shunt feedback and increase I/P impedance., (E) , Leave your comments or Download question paper.

Question is ⇒ Which of the follow, Options are ⇒ (A) Voltage series feedback and decrease I/P impedance., (B) Voltage shunt feedback and decrease I/P impedance., (C) Voltage series feedback and increase I/P impedance., (D) Voltage shunt feedback and increase I/P impedance., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Which of the follow
A.	Voltage series feedback and decrease I/P impedance. [Wrong Answer]
B.	Voltage shunt feedback and decrease I/P impedance. [Wrong Answer]
C.	Voltage series feedback and increase I/P impedance. [Correct Answer]
D.	Voltage shunt feedback and increase I/P impedance. [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C 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 :

⇒ The most frequent users of long distance VLF transmission is
ship communication
radio broadcasting
TV broadcasting
telephone and telegraph

⇒ The stray capacitance between the last stage and the first stage of an oscillator may cause
unwanted low frequency oscillations
unwanted high frequency oscillations
unwanted oscillations at low and high frequencies
large feedback

⇒ To realize following function 'f'
3
6
4
10

⇒ Microprocessor 386SX is a 16/32 bit microprocessor. It has
16 bit registers and 32 bit data bus
16 bit registers and 16 bit data bus
32 bit registers and 32 bit data bus
32 bit register and 16 bit data bus

⇒ In a PCM system, if we increase the quantization levels from 2 to 8, how do the relative bandwidth requirements vary?
Get doubled
Get tripled
Remains same
Become eight times

⇒ 23.6₁₀ = __________ ₂
11111.1001
10111.1001
111.101
10111.1

⇒ In a transistor E mode the collector current with the transistor in cut off region is
zero
high
equal to saturated value
none of the above

⇒ In single phase half wave regulator, the average current over one full cycle
is always positive
may be positive or negative
may be negative
is always negative

⇒ Typical switching time for ECL is
5 nano seconds
5 micro seconds
5 milli seconds
5 seconds

⇒ For frequencies upto 1650 kHz __________ antenna is used
yagi
grounded
turnstile
marconi

⇒ Consider the following statements relating to synchros
Rotor of control transformer is either disc shaped or umbrella shaped
Rotor of transmitter has low magnetic reluctance
Transmitter and control transformer pair act as error detector
Out of above the correct statements are
1, 2, 3
1 and 2
2 and 3
1 and 3

⇒ It is desired to reduce distortion in a CE amplifier circuit. We should
reduce emitter current
reduce collector current
reduce ac base voltage
reduce base emitter voltage

⇒ Which one of the following logic families can be operated using a supply voltage from 3 V to 15 V?
TTL
ECL
PMOS
CMOS

⇒ 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

⇒ A Darlington pair is used for
low distortion
high frequency range
high power gain
high current gain

⇒ In figure, the capacitor is charged to 1 V. At t = 0 the switch is closed so that i = e^-t. When i = 0.37 A, the voltage across capacito
1 V
0.63 V
0.37 V
0.185 V

⇒ For an npn transistor connected as shown in the figure V_BE = 0.7 volts. Given that reverse saturation current of the junction at room temperature 300K is 10^-13A, the emitter curr
30 mA
39 mA
49 mA
20 mA

⇒ Which of the following flip-flops is used as latch?
JK flip-flop
D flip-flop
RS flip-flop
T flip-flop

⇒ A single phase half wave controlled rectifier circuit has a free wheeling diode. The load is a combination of R and L. The firing angle is a. The period of conduction of SCR and free wheeling diode respectively are
a < ωt < p and p < ωt < (2p + a)
a < ωt < p and p < ωt < 2p
a < ωt < (p + a) and (p + a) < ωt < 2p
a < ωt < p and p < ωt < (2p - a)

⇒ If F = 95.0 what will be the result of following FORTRAN 77 program? 35
35
25
25

⇒ Which of the following radio waves are not reflected by ionosphere?
Waves above 1 kHz
Waves above 1 MHz
Waves above 10 MHz
Waves above 30 MHz

⇒ Figure shows the feedback network of one of the very popular types of sinusoidal oscillators. Which one is t
Weinbridge oscillator
Hartley oscillator
Colpitt's oscillator
R-C phase shift oscillator

⇒ The gain of collinear arrays is maximum when the spacing between the elements is
0.1 λ to 0.3 λ
0.3 λ to 0.9 λ
0.5 λ to 0.7 λ
0.7 λ to 0.9 λ

⇒ A frequency doubler has an FM signal input at 13 MHz with a deviation of 5 kHz. The output frequency of the carrier will be
26 kHz
260 kHz
26 MHz
260 MHz

⇒ In a minimum phase system
all poles lie in the left half plane
all zeros lie in the left half plane
all poles lie in the right half plane
all except one pole or zero lie in the left half plane

⇒ SSI is used in flip flops.
TRUE
FALSE

⇒ The feedback technique employed in the following circuit
voltage series feedback
current series feedback
voltage shunt feedback
current shunt feedback

⇒ In a loss-less transmission line
R << ω L; G << ω C
R = ω L, G = ω C
R >> ω L; G >> ω C
none of the above

⇒ CD4010 is a
inverting buffer
non-inverting hex buffer
NOR IC
NAND IC

⇒ The A.C. resistance of the emitter diode will be
5.05 Ω
50.5 Ω
505 Ω
5050 Ω

Users Also Read
Previous Papers

Aptitude

Reasoning

Gen.Knowledge

Speak English

English / Verbal

Online / Mock Test

Vedic Math