Question is ⇒ To prevent a DC return between source and load, it is necessary to use, Options are ⇒ (A) resistor between source and load, (B) inductor between source and load, (C) capacitor between source and load, (D) either (a) or (b), (E) , Leave your comments or Download question paper.

Question is ⇒ To prevent a DC return between source and load, it is necessary to use, Options are ⇒ (A) resistor between source and load, (B) inductor between source and load, (C) capacitor between source and load, (D) either (a) or (b), (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	To prevent a DC return between source and load, it is necessary to use
A.	resistor between source and load [Wrong Answer]
B.	inductor between source and load [Wrong Answer]
C.	capacitor between source and load [Correct Answer]
D.	either (a) or (b) [Wrong Answer]
View Answer 3 -4 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

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⇒

Assertion (A): In root locus the breakaway and break in points either lie on real axis or occur in complex conjugate pairs.

Reason (R): All root locus asymptotes intersect on real axis.

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 correct but R is wrong
R is correct but A is wrong

⇒ The temperature coefficient of resistance for a thermistor is
low and negative
low and positive
high and negative
high and positive

⇒ Satellite launch sites are invariably located on Eastern seaboards to ensure that
launch takes place eastward
expenditure of propulsion fuel is reduced during plane changing
the satellite achieves circular orbit quickly
spent rocket motor and other launcher debris falls into the sea

⇒ The primary function of a clamper circuit is to
suppress variations in signal voltage
raise +ve half cycle to the signal
Lower -ve half cycle of the signal
introduce a dc level into an a.c. signal

⇒ The material used for the magnet of moving coil cone type loudspeaker is
steel alloy
soft iron
hard steel
Alnico

⇒ In figure, the switch has been in closed position for a long time. At t = 0, the switch is opened. At t = 0⁺, the current R_{10.333333333333333
0.166666666666667
0.25
0.0833333333333333}

⇒ Symbol shown in figure represen
P-channel enhancement MOSFET
N-channel DEMOSFET
UJT with P-type base
UJT with N-type base

⇒ The current in a circuit with 10 Ω resistance is i = 3 + 4 sin (100 t + 45°) + 4 sin (300 t + 60°) A. The rms current and power dissipated are
41 A and 410 W
35 A and 350 W
5 A and 250 W
11 A and 1210 W

⇒ A wire has a diameter d and resistance R. If the diameter is made 3d, the length and material remaining the same, the new value of resistance will be
R/3
3 R
R/9
9 R

⇒ The given figure shows log magnitude versus ω plots of a system for different values of gain. For this sy
curve 1 shows highest gain margin and curve 2 shows poorest gain margin
gain margins shown by the three curves are equal
curve 1 shows poorest gain margin and curve 3 shows highest gain margin
curve 3 shows poorest gain margin while curve 1 shows highest gain margin

⇒ In 8085 microprocessor, how many I/O ports can be accessed by direct method?
8
256
32 K
64 K

⇒ Satellite communication uses frequencies in the range of
3 to 6 GHz
3-10 MHZ
10-50 GHz
100-200 GHz

⇒ Consider the following statements about root locus

The intersection of root locus branches with the imaginary axis can be determined by the use of Routh criterion
Segments of real axis having an odd number of real axis open loop poles plus zeros to their right are not parts of root locus
The number of root locus branches terminating on infinity is always zero

Which of the above statements are correct?
1, 2 and 3
1 and 2 only
1 only
2 and 3 only

⇒ Refer to the NAND and NOR latches shown in the figure. The inputs (P₁, P₂) for both the latches are first made (0, 1) and then, after a few seconds, made (1, 1). The corresponding stable outputs (Q₁, Q₂)
NAND: first (0, 1) then (0, 1) NOR: first (1, 0) then (0, 0)
NAND: first (1, 0) then (1, 0) NOR: first (1, 0) then (1, 0)
NAND: first (1, 0) then (1, 0) NOR: first (1, 0) then (0, 0)
NAND: first (1, 0) then (1, 1) NOR: first (0, 1) then (0, 1)

⇒ Point out the false statem
Building, for the time, a body-stabilized geosynchronous communication satellite with its own apogee propulsion and control systems
Attitude control and station management operations for a geostationary satellite
Building launching rocket Ariane for putting APPLE in orbit
Domestic communications on an experimental basis

⇒ If F_n represents Fourier series coefficient of f(t), then Fourier series coefficient of f(t + t) =
F_ne ^-jω₀^t
F_ne ^jω₀^t
F_ne ^jnω₀^t
F_ne ^-jnω₀^t

⇒ Free electrons exist in
first band
second band
third band
conduction band

⇒ Which solid dielectric has highest temperature limit?
E
H
C
F

⇒ In which of the following is the width of junction barrier very small?
Tunnel diode
Photo diode
PIN diode
Schottky diode

⇒ In a BJT amplifier circuit the size of coupling capacitor depends on
lowest frequency
highest frequency
average of lowest and highest frequencies
none of the above

⇒ The opposition of an inductor to current flow
depends only on the resistance of the coil
depends on the magnitude of the applied voltage
varies directly with frequency
varies inversely with frequency

⇒ If E_b, the energy per bit of a binary digital signal is 10^-6 watt sec. and the one sided power spectral density of the white noise N₀ = 10^-5 W/Hz, then the output SNR of the matched filter is
26 dB
10 dB
20 dB
13 dB

⇒ (sI - A)^-1 is equal to
adj (sI - A)/det (sI - A)
det (sI - A)/adj(sI - A )
[adj (sI - A)] [det(sI - A)]
none of the above

⇒ A circular sphere mile is the area of cross-section of a wire
having a diameter equal to 1 miles
having a radius equal to 1 miles
having a circumference equal to 1 miles
none of the above

⇒

Match the following:

	List I		List II
A.	Multiplexer	1.	Sequential memory
B.	De-multiplexer	2.	Converts decimal number to binary
C.	Shift register	3.	Data selector
D.	Encoder	4.	Routes single input to many outputs

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

⇒ Which of the following pairs of octal and binary numbers are not equal?
111 11011₂ = 767₈
110110101₂ = 665₈
11010₂ = 3₈
10101.11₂ = 25.6₈

⇒ Figure of merit is always unity in
AM
SSB-SC
FM
All

⇒ Which of the following noise does not occur in transistors?
Partition noise
Shot noise
Flicker noise
Resistance noise

⇒ The characteristic impedance of a cable is about
300 Ω
50 Ω
5 Ω
2 Ω

⇒ Consider the following statements

ECL has least propagation delay
TTL has largest fan out
CMOS has highest noise margin
TTL has lowest power dissipation

Which of these are correct?
1 and 3
2 and 4
3 and 4
1 and 2