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Q1. | An antisymmetric filter having odd number of coefficient may have a performance as |

A. | low pass [Wrong Answer] |

B. | high pass [Wrong Answer] |

C. | band pass [Wrong Answer] |

D. | all pass [Correct Answer] |

View Answer
Explanation:-
Answer : DDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ DVD uses

Laser beam for both recording and playback

Laser beam for recording and video head for playback

Video head for recording and laser beam for playback

None of the above

⇒ In amplifiers, the parasitic oscillation result due to

transistor inter junction capacitance

push pull operator

negative feedback

poor inter-stage coupling

⇒ The voltage transfer functions of two port circuits connected in cascade can be easily found from

product of individual ABCD matrices

product of voltage transfer functions of two networks

sum of

*z*matrices

sum of

*h*matrices

⇒ When the ac input signal is very large the instantaneous operating point CE amplifier moves all the way between

ac saturation and ac cut off points

ac operating and ac cut off points

ac saturation and ac operating points

none of the above

⇒ Electrical contact materials used in switches, brushes, relay must possess

high thermal conductivity and high melting point

low thermal conductivity and low melting point

high thermal conductivity and low melting point

low thermal conductivity and high melting point

⇒ It is desired to evaluate the expression

`F = B * COS (Y) + C * SQR (COS (Y) + A * COS (Y) * COS (Y) * COS (Y)`

`F = B * COS (Y) + C * SQR [COS (Y)] + A * COS (Y) * SQR [COS (Y)]`

`F = B * COS (Y) + C * COS(Y) * COS (Y) + A * COS (Y) * COS (Y) * COS (Y)`

` X = COS(Y)`

⇒ The Ni-Zn ferrites are used for audio and TV transformers is that

they have large saturation magnetisation

they are easy to fabricate by rolling

they are free from pores and voids

they have high electro-resistivity

⇒ BCD input 1000 is fed to a 7 segment display through a BCD to 7 segment decoder/driver. The segments which will lit up are

*a, b, d*

*a, b, c*

all

*a, b, g, c, d*

⇒ Which of the following characteristics of a silicon *p*-*n* junction diode make it suitable for use as ideal diode? - It has low saturation current.
- It has high value of cut in voltage.
- It can withstand large reverse voltage.
- When compared with germanium diode, silicon diode shows a lower degree of temperature dependence under reverse conditions.

Select the answer using the given below

1 and 2

1, 2, 3, 4

2, 3, 4

1, 3

⇒ The electric flux and field intensity inside a conducting sphere is

minimum

maximum

uniform

zero

⇒ For telegraphy the most commonly used modulation system is

FSK

two tone modulation

PCM

single tone modulation

⇒ Which one of the following statement is correct?

Both Laplace's (L) and Poisson's (P) equation are non linear

L is non linear but P is linear

L is linear but P is non linear

L, P both is linear

⇒ The FM broadcast band is from

550 to 1600 kHz

88 to 108 kHz

88 to 108 MHz

1600 kHz to 59.75 MHz

⇒ In a 4 input AND gate, the total number of High outputs for 16 input states are

16

8

4

1

⇒ With negative feedback the closed loop gain is always less than open loop gain.

TRUE

FALSE

⇒ The number of *p*-*n* junctions in a semiconductor diode are

0

1

2

1 or 2

⇒ For a P-N junction diode, the current in reverse bias may be

few amperes

between 0.5 A and 1 A

few milliamperes

few micro or nanoamperes

⇒ A temperature sensistive transducer is subjected to sudden temperature change. It takes 10 seconds for transducer to reach equilibrium condition (five times time constant). The time taken to reach half of temperature difference will be

1.38 *s*

5 *s*

8.62 *s*

0.9 *s*

⇒ A step voltage E is applied to an R-L series circuit. At *t* = 0, the current in the circuit is

E/R

E/L

infinity

zero

⇒ In a modified series inverter with two inductors and two capacitors, the load current

has 2 parallel paths

has only one parallel path

can have three parallel paths

has four parallel paths

⇒ A rectangular waveguide of internal dimensions (*a* = 4 cm and *b* = 3) is to be operated in TE_{11} mode. The minimum operating frequency is

6.25 GHz

6.0 GHz

5.0 GHz

3.75 GHz

⇒ A narrow band noise n(*t*) has symmetrical spectrum and has power density spectrum 0.2 x 10^{-6}. The power density of quadrature component is

0.2 x 10^{-6}

10^{-7}

4 x 10^{-7}

5 x 10^{-8}

⇒ The secondary lobes in binomial arrays can be reduced by

maintaining spacing between two consecutive radiating sources less than λ/2

maintaining the amplitudes in radiating sources, from outer towards the centre source, proportional to the coefficients of the successive terms of the binomial series

both (a) and (b)

none of the above

⇒ 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

⇒ Laplace transform method enables us to find the response in

steady state

transient state

both steady and transient state

transient state provided forcing functions do not exist

⇒ If F(*t*) = δ(*t* - *a*), F(*s*)=

0

1

*e*^{-as}

*e*^{as}

⇒ The hexadecimal number 'A0' has the decimal value

80

256

100

160

⇒ Find the electric charge required on the earth and moon to balance their gravitational attraction if the charge on the earth is 10 times that on the moon.

1.73 TC

17.3 GC

17.3 TC

1.73 GC

⇒ In a CD player the laser uses

silicon semiconductor

silicon/germanium semiconductor

aluminium gallium arsenide semiconductor

none of the above

⇒ Which of the following cannot be used to demodulate SSB?

Complete phase shift generator

Product detector

Diode balanced modulator

Bipolar transistor balanced modulator

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