Question is ⇒ The slope of log magnitude asymptote changes by - 40 dB/ decade at a certain frequency and the error between asymptote and actual curve is - 6 dB. This means that, Options are ⇒ (A) a double pole is present, (B) a pair of complex conjugate poles is present, (C) either a double pole or a pair of complex conjugate poles is present, (D) either a pole or zero at that frequency is present, (E) , Leave your comments or Download question paper.

Question is ⇒ The slope of log magnitude asymptote changes by - 40 dB/ decade at a certain frequency and the error between asymptote and actual curve is - 6 dB. This means that, Options are ⇒ (A) a double pole is present, (B) a pair of complex conjugate poles is present, (C) either a double pole or a pair of complex conjugate poles is present, (D) either a pole or zero at that frequency is present, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	The slope of log magnitude asymptote changes by - 40 dB/ decade at a certain frequency and the error between asymptote and actual curve is - 6 dB. This means that
A.	a double pole is present [Correct Answer]
B.	a pair of complex conjugate poles is present [Wrong Answer]
C.	either a double pole or a pair of complex conjugate poles is present [Wrong Answer]
D.	either a pole or zero at that frequency is present [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : A 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 number of cells in a 4 variable K map is
16
8
4
32

⇒ For satellite communication, the frequency should be
equal to the critical frequency
more than the critical frequency
less than the critical frequency
none of these

⇒ The dual of the function A(BC + BC + BC) is
A + (B + C) (B + C) (B + C)
A (BC + BC + BC)
C(BA + CA + CA)
ABC + ABC + ABC

⇒ In a bridge inverter with single pulse width modulation
the output frequency is equal to frequency of reference signal
the output frequency is equal to frequency of control signal
either (a) or (b)
neither (a) nor (b)

⇒ The 1150 kg geosynchronous satellite INSAT-IA parked 36000 km above India had greatly improved India's
intelligence gathering capacity
domestic communications
meteorological capability
both (b) and (c)

⇒ If an inverter is placed at the input to an SR flip-flop, the result is
T flip-flop
D flip-flop
JK flip-flop
BCD decade counter

⇒ Computer virus can hide itself in a diskette but not in a hard disk.
TRUE
FALSE

⇒ Current through a charging capacitor exhibits
an exponential growth function
an exponential decay function
a step decay function
a linear decay function

⇒ Consider the following:

Oscillator
Emitter follower
Cascaded amplifier
Power amplifier

Where of these use feedback amplifiers?
1 and 2
1 and 3
2 and 4
3 and 4

⇒ Single parity check is not reliable in case of
paper tape
magnetic tape
magnetic drum
cores

⇒ According to Siegel and Labus, antenna can be treated as
closed transmission line
shorted transmission line
earthed transmission line
opened-out transmission line

⇒ Choose the function f(t), - ∞ < t < + ∞, for which a Fourier series cannot be defined
3 sin (25t)
4 cos (20t + 3) + 2 sin (10t)
exp - | t | sin 25 t
1

⇒ Radiation intensity does not depend upon
the antenna direction
antenna width
both (a) and (b)
none of the above

⇒ Which of the following output configurations are available in a TTL gate?

Open collector output
Totem pole output
Tristate output

Select the correct answer from the codes given below:
1 only
1 and 2 only
2 and 3 only
1, 2 and 3

⇒ A horizontal output stage is cutoff for retrace and 40% of trace. If time for each horizontal line is 64 μs and retrace time is 12 μs, the transistor is conducting for about
64 μs
6.4 μs
31 μs
3.1 μs

⇒ The transfer function of a zero-order-hold system is :
(l/s)(l + e^-sT)
(1/s)(1 - e^-sT)
1 - (l/s)e^-sT
1 + (1/s)e^-sT

⇒ A transistor in CE mode is in saturation region. Then the collector is almost at
ground potential
a potential equal to V_CC
a potential equal to 0.5 V_CC
a potential equal to 2 V_CC

⇒ In a decimal digital computer, the number 127 is stored
1111111
0001 00100111
10001
11000111

⇒ The Lissajous pattern observed on screen of CRO is a straight line inclined at 45° to x axis. If X-plate input is 2 sin ωt, the Y-plate input is
2 sin ωt
2 sin (ωt + 45°)
2 sin (ωt - 45°)
22 sin ωt + 45°)

⇒ Consider the following applications/ advantages of radar beacons

navigation
target identification
accurate tracking of enemy targets
large increase in maximum range

Which of the above are correct?
1, 2, 3, 4
1, 2, 4
1, 2
2, 3, 4

⇒ In sign magnitude numbers,
the leading bit stands for the sign
the leading bit is part of the magnitude
the leading bit is always 0
the leading bit is always 1

⇒ What will be minimum conversion rate in 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).
9000
9259
1000
1000

⇒ The phase velocity v in a transmission line is
LC
C/L
L/C
1/LC

⇒ In FM 'guard band' is provided
to limit upper frequency limit
to limit lower frequency limit
so that there is less adjacent channel interference
to limit transmitted power of a station

⇒ The input to ALU are the contents of accumulator and temporary register.
TRUE
FALSE

⇒

Assertion (A): A video monitor does not need RF tuner and IF amplifier

Reason (R): The picture tube in TV is basically a CRT.

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
A is wrong but R is correct

⇒ DeMorgan's first theorem shows the equivalence of
OR gate and Exclusive OR gate
NOR gate and Bubbled AND gate
NOR gate and NAND gate
NAND gate and NOT gate

⇒ In a conductor the current flow is due to
holes
electrons
ions
electrons and ions

⇒ Heating effect of current is used in
ammeters
voltmeters
both ammeters and voltmeters
wattmeters

⇒ The effect of a finite gain of operational amplifier used in an integrator is that
it would not integrator
slope of the O/P will varied with time
final value of the O/P
there will be instability in the cirucuit