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Q1. | Bandwidth will be |

A. | a.b [Wrong Answer] |

B. | a + b [Wrong Answer] |

C. | a [Correct Answer] |

D. | b [Wrong Answer] |

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Explanation:-
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**Also Read Similar Questions Below :**

⇒ A delta connection contains three impedances of 60 Ω each. The impedances of equivalent star connection will be

15 Ω

20 Ω

30 Ω

40 Ω

⇒ The coefficients F

_{n}in the exponential form of Fourier series are

independent of frequency

functions of frequency

even function of frequency

odd functions of frequency

⇒ The capacity of a battery is expressed in terms of

current

voltage

none of these

current and voltage

⇒ In which device does the extent of light controls the conduction

photovoltaic cell

photo electric relay

LED

photo sensitive device

⇒ The poles of an RC function

are simple and lie on

*j*ω axis

are simple and lie on negative real axis

may be complex conjugate

may be anywhere in

*s*plane

⇒ Which one is a causal system?

*y*(

*n*) = 3

*x*[

*n*] - 2

*x*[

*n*- 1]

*y*(

*n*) = 3

*x*[

*n*] + 2

*x*[n + 1]

*y*(

*n*) = 3

*x*[

*n*+ 1] + 2

*x*[

*n*- 1]

*y*(

*n*) = 3

*x*[

*n*+ 1] 2

*x*[

*n*- 1] +

*x*[

*n*]

⇒ Two capacitors each of capacitance C and breakdown voltage V are joined in series. The capacitance and breakdown voltage of the combination is

0.5 C and 2 V

0.5 C and 0.5 V

C and V

2 C and 2 V

⇒ For the block diagram of the given figure, the equation describing system dynamic

(1 + RC

*s*) Δθ

_{0}(

*s*) = Δθ

_{i}(

*s*) + R Δ H(

*s*)

(1 + RC

*s*) [ΔH(

*s*)] = Δθ(

*s*) - Δθ

_{0}(

*s*)

(1 + RC

*s*) Δθ

_{0}(

*s*) = RΔ H(

*s*) - Δ θ

*(*

_{i}*s*)

(1 + RC

*s*) Δθ

*(*

_{i}*s*) = Δ H(

*s*)[R] - Δθ

_{0}(

*s*)

⇒ Armstrong FM transmitter uses

LC oscillator

crystal oscillator

RC oscillator

either (a) or (c)

⇒ During forward blocking state of SCR, the voltage and current respectively are

high and high

low and low

high and low

low and high

⇒ EEPROM is also known as

UVPROM

EAPROM

both UVPROM and EAPROM

none of the above

⇒ Which of the following is a valid real constant in FORTRAN 77?

1.2 E 231

3 E - 2

-3.2 E 2.3

1.2 E 23

⇒ The parameter A of a two port network is equal to

V

_{2}/V

_{1}with I

_{1}= 0

V

_{1}/I

_{2}with V

_{2}= 0

I

_{1}/I

_{2}with V

_{2}= 0

V

_{1}/V

_{2}with I

_{2}= 0

⇒ A remote control for TV uses

LED in receiver and photodiode in transmitter

LED in transmitter and photodiode in receiver

LED in both transmitter and receiver

Photodiode in both transmitter and receiver

⇒ The number of logic or arithmetic operations with

`ALU 1C 74181`

can carry out is4

8

16

32

⇒ If the transmission parameters of the given networks are A = C = 1, B = 2 and D = 3, then the value of Z

_{m12/13 Ω13/12 Ω3 Ω4 Ω}

⇒ Figure represen

Varactor

LED

Zener diode

Temperature dependent diode

⇒ When a BJT is operated under saturated condition

both junctions are forward biased

both junctions are reverse biased

CB junction is forward biased and EB junction is reverse biased

EB junction is forward biased and CB junction is reverse biased

⇒ A DAC has full scale output of 5 V. If accuracy is ± 0.2% the maximum error for an output of 1 V is

5 mV

10 mV

2 mV

20 mV

⇒ 100101.1011

_{2}= __________ .

115.22

_{8}

115.54

_{8}

215.54

_{8}

100.01

_{8}

⇒ When a ferromagnetic substance is magnetised, small changes in dimensions occur. Such a phenomenon is known as

magnetic hystresis

magnetic expansion

magneto striction

magneto calorisation

⇒ A transmission line having 50 Ω impedance is terminated in a load of (40 +

*j*30) Ω. The VSWR is

*j*0.033

0.8.+

*j*0.6

1

2

⇒ In a 4 bit full adder how many half adders and OR gates are required

8 and 4

7 and 4

7 and 3

8 and 3

⇒ As temperature increases, the temperature coefficient of a metal

decreases

increases

remains unchanged

any of the above

⇒ Which of the following functions would have only odd powers of

*x*in its Taylor series expansion about the point

*x*= 0?

sin (

*x*

^{3})

sin (

*x*

^{2})

cos (

*x*

^{3})

cos (

*x*

^{2})

⇒ In orthogonal BFSK. the energy of information bearing term is :

the same as total transmitted energy

one half of total transmitted energy

one fourth of total transmitted energy

None

⇒ Consider the following statements about radar Beacon

- It is also called transponder.
- It includes pulse transmitter, receiver and antenna.
- It replies with full power even when the signal receives is weak.

All

1 and 2 only

2 and 3 only

2 only

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

minimum

maximum

uniform

zero

⇒ Assume that op-amp in figure is ideal. If input V

_{i}is triangular, the output V

_{0}wil

square wave

sine wave

triangular wave

parabolic wave

⇒ Which is correct with respect to computer memory?

Only a particular address can have a particular memory

Any address can have any memory

To read a word from computer memory, it is not necessary to specify a location

None of the above