Question is ⇒ Consider the sequence x[n] = [- 4 - j5 1 + J2 4], Options are ⇒ (A) [- 4 - J2.5 J2 4 - J2.5], (B) [- J2.5 1 J2.5], (C) [- J5 J2 0], (D) [- x 1 4], (E) , Leave your comments or Download question paper.

Question is ⇒ Consider the sequence x[n] = [- 4 - j5 1 + J2 4], Options are ⇒ (A) [- 4 - J2.5 J2 4 - J2.5], (B) [- J2.5 1 J2.5], (C) [- J5 J2 0], (D) [- x 1 4], (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Consider the sequence x[n] = [- 4 - j5 1 + J2 4]
A.	[- 4 - J2.5 J2 4 - J2.5] [Wrong Answer]
B.	[- J2.5 1 J2.5] [Wrong Answer]
C.	[- J5 J2 0] [Correct Answer]
D.	[- x 1 4] [Wrong Answer]
View Answer 2 -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 :

⇒ In CE approximately, the active region is where the collector curves are
almost horizontal
almost vertical
inclined at 45°
inclined at 60°

⇒ In a coaxial cable, braided copper is used for
conductor
shield
dielectric
jacket

⇒ What is the effect of cut in voltage on the wave form of output as compared to input in a semiconductor diode?
The duration of output waveform is less than 180°
Output voltage is less than input voltage
Output voltage is more than input voltage
Both (a) and (b)

⇒ Radar antennas are
dipoles
helical
parabolic
conical

⇒ The minority carrier life time and diffusion constant in a semiconductor material are respectively 100 microsecond and 100 cm²/sec. The diffusion length is
0.1 cm
0.01 cm
0.0141 cm
1 cm

⇒ A decoder can be used as a demultiplexer.
TRUE
FALSE

⇒ A loop antenna is a commonly used for
radar
direction finding
satellite communication
all of the above

⇒ A piezoelectric force transducer has a charge sensitivity of 20 pC/N. It is connected to a charge amplifier and overall gain of transducer and amplifier is 50 mV/N. The gain of amplifier is
1 mV/pC
1.5 mV/pC
2.5 mV/pC
4 mV/pC

⇒ In a low level AM system, the modulated amplifiers stage must be
harmonic devices
non-linear devices
class C amplifier
linear devices

⇒ Using 4-bit numbers (n = 4) if k = 0011₂, how is k expressed in 2's complement?
1011₂
1101₂
1100₂
0101₂

⇒ A half bridge inverter
needs a 3 wire dc supply
may use a two wire or 3 wire dc supply
has higher output voltage if fed from 3 wire dc supply
has higher efficiency if fed from 3 wire dc supply

⇒ Which one is correct option?
TEM mode exist in free space of infinite boundary
TEM mode exist in two conductor pattern system for finite-boundary
TEM mode exist in waveguide only
Both (a) and (b)

⇒ F.T. of continuous non-periodic signal is
aperiodic
periodic
a and b
none

⇒

Match the following:

	List I		List II
A.	Tangent galvanometer	1.	Can be used for dc only
B.	Moving coil instrument	2.	Integrating instrument
C.	Household energy meter	3.	Used for voltage measurement only
D.	Electrostatic instrument	4.	Absolute instrument

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

⇒ NAND gates can be used to produce edge triggering.
TRUE
FALSE

⇒ Which stage generates RF carri
Amplifier
Oscillator
Power supply
All of the above

⇒ In 8085 microprocessor, how many lines are there in address bus?
6
8
12
16

⇒ In Z_RC(s) has a pole at s = 0, the first element in first Foster realization is
a capacitor
a resistor
R-C in series
either a capacitor or resistor

⇒ The fixed count that should be used so that the output register will represent the input for a 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
110
10
1111
11101

⇒ A vacant electronic state moves in the same direction as would a positive charge carrier.
TRUE
FALSE

⇒ Ferromagnetic materials exhibit
a linear B-H behaviour
a non-linear B-H behaviour
an exponential B-H behaviour
none of the above

⇒ When thyristors are connected in parallel, the current distribution may become non-uniform due to
inductive effect of current carrying conductors
capacitive effect of current carrying conductors
both inductive and capacitive effects
none of the above

⇒ 3N 200 is a
semi-conductor diode
P-N-P transistor
dual gate MOSFET
UJT

⇒ The number of storage classes in C is
2
3
4
6

⇒ Bandwidth for practical PCM system is (where n is no. of channels, N length of PCM codes)
2n N f_m Hz
4n f_m Hz
2n f_m
(N + 1)f_m

⇒ A leakage capacitor can be represented by a capacitance C and resistance R in parallel C.
TRUE
FALSE

⇒ In a ripple counter,
whenever a flip flop sets to 1, the next higher FF toggles
whenever a flip flop sets to 0, the next higher FF remains unchanged
whenever a flip flop sets to 1, the next higher FF faces race condition
whenever a flip flop sets to 0, the next higher FF faces race condition

⇒ The use of SSB
halves the bandwidth required for transmission
does not affect the bandwidth for transmission
decreases the bandwidth required for transmission by 25%
decreases the bandwidth required for transmission by 66.6%

⇒

Assertion (A): SUS is a PUT and avalanche diode connected between gate and cathode

Reason (R): SBS has two SUS inbuilt together and connected in anti-parallel

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

⇒ The number of comparators of needed in a parallel conversion type 8 bit A to D converter is
8
16
255
256