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Q1. | If number of information bits is 11, the number of parity bits in Hamming code is |

A. | 5 [Wrong Answer] |

B. | 4 [Correct Answer] |

C. | 3 [Wrong Answer] |

D. | 2 [Wrong Answer] |

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

⇒ A memoryless source emits

*n*symbols each with a probability

*p*. The entropy of the source as a function of

*n*

increases as log

*n*

decreases as log (1/

*n*)

increases as

*n*

increases as

*n*log

*n*

⇒ The system shown in figure remains stable wh

k £ - 1

-1 < k < 1

l < k < 3

k > 3

⇒ Which among the following waveforms can be reconstructed from its samples without distort

1 and 2

2 and 3

1 and 3

Only 2

⇒ For the network shown below, if V

_{D}= 12 V and V

_{GSQ}= - 2 V value of R

_{S}wil

13.35 kΩ

3.35 kΩ

33.31 kΩ

3.95 kΩ

⇒ A dynamometer wattmeter is suitable for both dc and ac.

TRUE

FALSE

⇒ For graph of figure, one set of fundamental cutsets woul

*abc*,

*cde*,

*afe*

*afde*,

*afe*,

*abdc*

*cbfe*,

*afe*,

*bdf*

*cbd*,

*adbe*,

*cde*

⇒ Cassergain feed is used with a parabolic reflector to

increase the gain of the system

increase the beamwidth of the system

reduce the size of the main reflector

allow the feed to be placed at a convenient point

⇒ In Weston synchronoscope the fixed coils are connected across

bus bars

incoming alternator

lamp

either (a) or (b)

⇒ A land line telemetry system is suitable for distance upto

about 1 km only

about 10 km only

about 100 km only

any of the above

⇒ Measurement of an unknown voltage with a dc potentiometer loses its advantage of open circuit measurement when

the primary circuit battery is changed

standardization has to be done again to compensate for drifts

voltage is larger than range of the potentiometer

range reduction by a factor of 10 is employed

⇒ Huffman code is also known as redundancy code

TRUE

FALSE

in some cases

depend upon efficiency

⇒ The symbol shown in figure represen

P-channel MOSFET

UJT with N-type base

N-channel DEMOSFET with internal zener protection

P-channel DEMOSFET with internal zener protection

⇒ To ensure that only dominant mode TE

_{10}is allowed to propagate in an air filled rectangular waveguide, the lower frequency limit and upper frequency limit are

about 25% above

*f*

*for TE*

_{c}_{10}and 5% below

*f*

*for TE*

_{c}_{20}mode respectively

about 50% above

*f*

*for TE*

_{c}_{10}and 25% below

*f*

*for TE*

_{c}_{20}mode respectively

about 25% above

*f*

*for TE*

_{c}_{10}and 25% below

*f*

*for TE*

_{c}_{20}mode respectively

none of the above

⇒ Use of high permeability core in moving iron instrument helps in

reducing size of meter

increasing sensitivity

reducing temperature error

all of the above

⇒ In a CE amplifier the dc load line is the same as ac load line when

ac collector resistance and dc collector resistance are equal

ac collector resistance and dc emitter resistance are equal

ac collector resistance is very high

ac collector resistance is one half of dc collector resistance

⇒ 3N 200 is a

semi-conductor diode

P-N-P transistor

dual gate MOSFET

UJT

⇒

**Assertion (A):** A transducer needs an output measuring or display device for measuring a non electrical quantity.

**Reason (R):** In some transducers the output voltage is too small and needs amplification before it can be measured.

Both A and R are true and R is correct explanation of A

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

A is true R is false

A is false R is true

⇒ In the schematic representation of bipolar junction transistor, the direction of arrow shows the direction of flow of

holes

electrons

holes in

*pnp*and electrons in

*npn*

electrons in

*pnp*and holes in

*npn*

⇒ To separate channels in FDM receiver we have to use

integration

AND gate

band pass filter

differentiation

⇒ Which of the following stage is not present in AM receiver as compared to FM receiver?

AM amplifier

Demodulator

Amplitude limiter

AF amplitude

⇒ Which is not a valid dimension statement?

DIMENSION KAT(10, 20)

DIMENSION BAT (30, 20)

DIMENSION KAT(K, 10)

DIMENSION BAT (10, 5)

⇒ The Hilbert transform of cos ω

_{1}

*t*+ sin ω

_{2}

*t*is

sin ω

_{1}

*t*+ cos ω

_{2}

*t*

sin ω

_{1}

*t*- cos ω

_{2}

*t*

cos ω

_{1}

*t*- cos ω

_{2}

*t*

- sin ω

_{1}

*t*+ cos ω

_{2}

*t*

⇒ In a BJT CE amplifier circuit the value of coupling capacitor should be such that

its reactance is small for the lowest frequency in the input and output

its reactance is high for the lowest frequency in the input and output

its reactance is zero for the lowest frequency in the input and output

its reactance is infinite for the lowest frequency in the input and output

⇒ Which of these instruments has highest power consumption?

Dynamometer

Electrostatic

Moving coil

Hot wire

⇒ If the variance σ

_{x}

^{2}of

*d*(

*n*) =

*x*(

*n*) -

*x*(

*n*- 1) is one-tenth the variance σ

_{x}

^{2}of a stationary zero mean discrete time signal

*x*(

*n*), then the normalized autocorrelation function R

_{xx}(

*x*)/σ

_{x}

^{2}at

*k*= 1 is

0.95

0.9

0.1

0.05

⇒ In an idealized half wave rectified system the average and r.m.s. values of voltage are __________ respectively.

2V

_{m}/p, V

_{m}/2

V

_{m}/p, V

_{m}/2

V

_{m}/p, V

_{m}/2

V

_{m}.p, V

_{m}/2

⇒ A cable has an insulation resistance of 10

^{10}ohms. If the length is doubled, the insulation resistance will be

2 x 10

^{10}Ω

0.5 x 10

^{10}Ω

10

^{10}Ω

4 x 10

^{10}Ω

⇒ The value of program counter of 6800 at power on are after reset is

0

FFFE

User Programmable

FFFF

⇒ If X = 1 in the logic equation [X + Z { Y + (Z + X Y)}] { X + Z (X + Y)} = 1, then

Y = Z

Y = Z

Z = 1

Z = 0

⇒ Signal flow graph is used to find :

stability of the system

controllability of the system

transfer function of the system

poles of the system