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Q1. | Decimal 43 in hexadecimal and BCD number system is respectively. |

A. | B2, 01000011 [Wrong Answer] |

B. | 2B, 01000011 [Correct Answer] |

C. | 2B, 00110100 [Wrong Answer] |

D. | B2, 01000100 [Wrong Answer] |

View Answer
Explanation:-
Answer : BDiscuss 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 :**

⇒

*n*-channel MOS is

slower than

*p*-channel MOS

faster than

*p*-channel MOS

same as

*p*-channel MOS

none of these

⇒ Antenna efficiency of antenna is, if radiation resistance is 370 Ω and loss resistance is 100 Ω

0.8

0.87

0.78

0.2127

⇒ Polar plot of a lag-lead compensator is a circle.

TRUE

FALSE

⇒ The first and second subscripts in models of circular waveguides depict

the number of full sine wave variations in circumference in direction and Bessel function variations in radial direction respectively

the Bessel function variations in radial direction and the number of full sine wave variations in circumference direction respectively

the Bessel function variations in circumference direction and number of full sine wave variations in radial direction respectively

none of the above

⇒ The output

*y*(

*t*) of a linear time invariant system is related to its input

*x*(

*t*) by the following equation

*y*(

*t*) = 0.5

*x*(

*t*-

*t*

*+ 1) +*

_{d}*x*(

*t*-

*t*

*) + 0.5*

_{d}*x*(

*t*-

*t*

*+ 7). The filter transfer function*

_{d}*H*(ω) of such a system is given by

(1 + cos ωt)

*e*

^{-jωt}

*d*

(1 + 0.5 cos ωt)

*e*

^{-jωt}

*d*

(1 + cos ωt)

*e*

^{jωt}

*d*

(1 - 0.5 cos ωt)

*e*

^{-jωt}

*d*

⇒

**Assertion (A):** When a function *f*(*t*) is represented as exponential Fourier series, the set of complex coefficients F* _{n}* is called frequency spectrum of

*f*(

*t*)

**Reason (R):** Frequency spectrum is also called line spectrum.

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 true, R is false

A is false, R is true

⇒ Line of sight transmission is used in

radio frequencies below 1 MHz

VHF only

audio signals only

VHF and UHF

⇒ The capacity of a battery is expressed in terms of

current

voltage

none of these

current and voltage

⇒ Which of the following statements is false?

Push pull signals are equal and opposite in phase

Class AB operation cannot be used for a push pull audio power output phase

A push pull output transformer has a centre-tapped primary

All of the above

⇒ The maximum permissible distance between two samples of a 10 kHz signal

100 μ sec

50 μ sec

10 μ sec

none

⇒ The network shown in figur

reciprocal

reciprocal and symmetrical

non-reciprocal

unsymmetrical

⇒ A megger has a hand driven dc generator.

TRUE

FALSE

⇒ The most commonly used system of modulating for telegraphy is

single tone modulation

on-off keying

frequency shift keying

pulse code modulation

⇒ Bipolar IC memories are fabricated using

high density versions of MOSFET or low density versions of bipolar transistor flip-flop.

high density version of MOSFET or bipolar transistor flip-flop

low density versions of MOSFETs

high density versions of the bipolar transistor flip-flop.

⇒ The shape of torque-speed curve of a two phase servo- motor mostly depends on

ratio of rotor reactance to rotor resistance

ratio of stator reactance to rotor resistance

ratio of rotor reactance to rotor resistance and also the ratio of stator reactance to stator resistance

magnitude of stator voltages

⇒ As the number of flip flops are increased, the total propagation delay of

ripple counter increases but that of synchronous counter remains the same

both ripple and synchronous counters increase

both ripple and synchronous counters remain the same

ripple counter remains the same but that of synchronous counter increases

⇒ In a turnstile antenna the crossed dipoles are excited with voltages

in phase with each other

90° out of phase with each other

120° out of phase with each other

180° out of phase with each other

⇒ The figure shown below is designed to act as a constant current source across the load resistor. The β of transistor is 50. What is the value of load curr

1.96 mA

2 mA

2.04 mA

None

⇒ If the height of transmitting and receiving antenna in a LOS system are 49 meter and a 9 meter respectively then the distance up to which communication may be possible is about

40 km

110 km

400 km

1100 km

⇒ Which of them contains an organic fluid?

LED

LCD

Both LED and LCD

Neither LED nor LCD

⇒ Satellite launch sites are invariably located on Eastern seaboards to ensure that

launch takes place eastward

expenditure of propulsion fuel is reduced during plane changing

the satellite achieves circular orbit quickly

spent rocket motor and other launcher debris falls into the sea

⇒ In order to receive a vertical polarized wave, the conductor of the dipole should be mounted

horizontally

vertically

at an angle of 45°

at an angle of 90°

⇒ For a given magnetic material operating in linear mode B = 0.06 T. Assume permeability = 51, then magnetization is:

44836 A/m

46834 A/m

946 A/m

936 A/m

⇒ A dielectric of relative permittivity ∈

_{r}is subjected to a homogeneous electric field E. The dipole moment P per unit volume is given by

P = constant

P = ∈

_{0}E

P = ∈

_{0}(∈

_{r}- 1) E

P = ∈

_{r}E

⇒ A low noise device is most important

at front end of equipment

in the last stage of equipment

in the middle stages of equipment

both (b) and (c)

⇒ In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

assignment, relational, arithmetic

relational, assignment, arithmetic

arithmetic, assignment, relational

arithmetic, relational, assignment

⇒ In FM noise can be decreased by a feature that AM does not have

increasing deviation

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reducing modulation index

increasing modulation index

⇒ In a receiver, which of the following device has IF input but RF output?

Demodulator

Loudspeaker

Audio amplifier

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⇒ In a vibrating reed frequency meter the natural frequency of two adjacent reeds have a difference of

0.25 Hz

0.5 Hz

1.25 Hz

1 Hz

⇒ An MTI compares a set of received echos with those received during the previous sweep.

TRUE

FALSE