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Q1. | In the given figure the ratio T/d is the duty fac |

A. | TRUE [Wrong Answer] |

B. | FALSE [Correct Answer] |

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

⇒ Advanced low power Schottky is a part of

ECL family

CMOS family

TTL family

none of the above

⇒ In a Hurwitz polynomial

all coefficients are non-negative

the coefficients may be positive or negative

all coefficients are negative

all coefficients are non-negative and all zeros should be either in left half plane or simple on the imaginary axis

⇒ Which of the following is true?

During addition if the carry into and carry out of the sign bit do not match then an overflow has occurred

During addition if the carry into and carry out of the sign bit don't match then an overflow or underflow has occurred

During addition if the carry into and carry out of the sign bit match then an overflow or underflow has occurred

During addition if the carry into and carry out of the sign bit match then an overflow has occurred

⇒ It is desired to couple a coaxial line to a two parallel wire line. It is best to use

quarter wave transformer

balun

slotted line

directional coupler

⇒ F.T. of continuous non-periodic signal is

aperiodic

periodic

a and b

none

⇒ A TV receiver has a width of 60 cm. The aspect ratio is 4/3. The required EHT supply is about

29 kV

2.9 kV

45 kV

4.5 kV

⇒ The efficiency of a horn speaker is about

0.1

0.4

0.6

0.8

⇒ In the circuit shown, in switch S is open for a long time and is closed at

*t*= 0. The current

*i*(

*t*) for

*t*≥ 0

^{+i(t) = 0.5 - 0.125e-1000t Ai(t) = 1.5 - 0.125e-1000t Ai(t) = 0.5 - 0.5e-1000t Ai(t) = 0.375e-1000t A}

⇒ Binary 101010 is equivalent to decimal number

24

42

44

64

⇒ An advantage of memory interlacing is that

a larger memory is obtained

effective speed of memory is increased

cost of memory is reduced

a non-volatile memory is obtained

⇒ The minimum height of outer atmosphere is

100 km

150 km

200 km

400 km

⇒ 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 case of synchro error detector the electrical zero position of control transformer is obtained when angular displacement between rotors is

zero

45°

90°

180°

⇒ Dielectric strength of polythene is around

10 kV/mm

40 kV/mm

100 kV/mm

140 kV/mm

⇒ The inductance of a coil can be increased by

choosing core material having high relative permeability

decreasing diameter of the former

decreasing the number of turns

increasing core length

⇒

Match the following:

List I | List II | ||
---|---|---|---|

A. | Tangent galvanometer | 1. | Can be used for dc only |

B. | Moving coil instrument | 2. | Integrating instrument |

C. | Household energy meter | 3. | Used for voltage measurement only |

D. | Electrostatic instrument | 4. | Absolute instrument |

A-1, B-2, C-3, D-4

A-4, B-1, C-2, D-3

A-1, B-2, C-4, D-3

A-4, B-1, C-3, D-2

⇒ An FM transmitter delivers 80W to a load of 30 W when no modulation is present. The carrier is now frequency modulated by a single sinusoidal signal and the peak frequency deviation is so adjusted to make the amplitude of the second sideband is zero in the given out

84 W

97.44 W

100 W

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⇒ At very high temperatures the extrinsic semi conductors become intrinsic because

drive in diffusion of dopants and carriers

band to band transition dominants over impurity ionization

impurity ionization dominants over band to band transition

band to band transition is balanced by impurity ionization

⇒ Which of the following is not between F

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E layer

F

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G region

All of the above

⇒ A coil has a resistance of 2 Ω and inductance of 0.1 mH. The applied voltages is suddenly increased from 10 V to 20 V. After steady state condition have reached, the current is

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0.166666666666667

more than 4 A

⇒ Consider the following instruments

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- Household energy meter
- Hot wire ammeter

1, 2 and 3

1, 2 and 4

1 and 2

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⇒ A coil of resistance R and inductance L is connected in series with 10 mF capacitor. The resonant frequency is 1000 Hz. Another 10 F capacitor is connected in parallel with the above capacitor. The new resonance frequency will be

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less than 1000 Hz

may be more or less than 10000 Hz

⇒ Electric shock is

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never fatal

sometimes fatal

always disfiguring

⇒ The maximum rectification efficiency in case of full wave rectifier is

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0.812

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0.406

⇒ Noise with double-sided power spectral density of K overall frequencies is passed through a RC low pass filter with 3 dB cut-off frequency of

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K

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*f*

_{c}∞

⇒ In the periodic train of rectangular pulses F

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TRUE

FALSE

TRUE

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⇒ In the given figure, of potentiometer V

R

R

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R

⇒ IN 3242 is a

P-N-P transistor

N-P-N transistor

UJT

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⇒ For the K map of the given figure the simplified Boolean expressio

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A BC + A B C + A B C + AB C

AC + A B + AC

A C + A B + AB

⇒ How many interrupts are there in 8085 microprocessor?

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6

8

⇒ In the given figure, of potentiometer V

_{0}= V*(R*_{i}_{0}/R*) only*_{i}R

_{L}= 0R

_{L}= ∞R

_{L}is neither low nor highR

_{L}is low but not zero⇒ IN 3242 is a

P-N-P transistor

N-P-N transistor

UJT

semi-conductor diode

⇒ For the K map of the given figure the simplified Boolean expressio

AC + A B

A BC + A B C + A B C + AB C

AC + A B + AC

A C + A B + AB

⇒ How many interrupts are there in 8085 microprocessor?

4

5

6

8