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Q1. | Loading of a line means |

A. | increasing inductance of line [Wrong Answer] |

B. | increasing distributed inductance of line [Correct Answer] |

C. | decreasing distributed inductance of line [Wrong Answer] |

D. | decreasing inductance of line [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 :**

⇒

**Assertion (A):** Transient periods are of short duration but can result in dangerously high voltages and currents.

**Reason (R):** Circuit equations in transient analysis are integral differential equations.

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

⇒ As per BIS, solid insulators are classified into 6 categories.

TRUE

FALSE

⇒ When the height of a vertical earthed antenna is less than λ/4

the base input impedance will be capacitive

the base input impedance will be purely resistive

the base input impedance will be inductive

the base input impedance will be negligibly small

⇒ A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect at 3 dB decrease in signal strength?

942 m

2070 m

4978 m

5320 m

⇒ An MTI radar operating at 5 GHz has a PRF of 800 pps. The lowest blind speed is

48 m/s

96 m/s

192 m/s

24 m/s

⇒ In radar system if the antenna diameter is increased by a factor of 4, the minimum range will increased by a factor of

1

2

22

4

⇒ Consider the directive T : DS105. This directive

directs the assembler to reserve a sequence of 105 bytes in the memory

directs the assembler to reserve a sequence of 105 bits in the memory

directs the assembler to reserve a sequence of consecutive 105 bytes in the memory

directs the assembler to reserve a sequence of consecutive 105 bits in the memory

⇒

Match the following:

List I (Transmission system) | List II (Mode) | ||
---|---|---|---|

A. | Rectangular waveguide | 1. | TE/TM |

B. | Circular waveguide | 2. | TEM |

C. | Coaxial line | 3. | Quasi TEM |

D. | Microstrip line |

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

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

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

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

⇒ Forbidden energy gap in germanium at 0 K is about

10 eV

5 eV

2 eV

0.78 eV

⇒ The modulation index of wideband FM signal is

less than unity

unity

greater than unity

nearly 0.67

⇒ If air pressure in a rectangular waveguide is increased the maximum power handling capacity

is decreased

is increased

remains the same

may increase or decrease depending on pressure

⇒ In a CE amplifier the ac emitter resistance

is zero

is high

is very high

may have any value

⇒ In which mode of circular waveguide does the attenuation continuously decrease as frequency is increased?

TE

_{01}

TE

_{11}

TE

_{05}

TE

_{21}

⇒

**Assertion (A):** Power drain of CMOS increases with operating frequency

**Reason (R):** All unused CMOS inputs should be tied either to a fixed voltage level (0 or V_{DD}) or to another input.

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

⇒ A capacitance transducer has two plates each of area 5 mm

^{2}. The coil gap is 2 mm. Displacement sensitivity due to change in gap length is

11.1 pF/cm

44.2 pF/cm

52.3 pF/cm

66.3 pF/cm

⇒ If velocity of sound waves in air at 0°C is 330 m/s, the velocity at 40°C is about

330 m/s

334 m/s

353 m/s

380 m/s

⇒ In a purely resistive circuit the instantaneous power varies from zero to maximum twice in each cycle.

TRUE

FALSE

⇒ Frequency modulation consists in

varying the frequency and amplitude of the carrier in accordance with the instantaneous value of modulating signal

varying the amplitude of the carrier in accordance with the instantaneous value of the modulating voltage

varying the frequency of the carrier voltage in accordance with the instantaneous value of the modulating voltage

vary the frequency of the carrier voltage

⇒ A capacitor having capacitance C is raised to voltage V. The energy stored will be

CV

^{2}

V

^{2}/C

0.5 V

^{2}C

0.5 C

^{2}V

⇒ Volt is equivalent to

joule/coulomb

joule/watt

joule/ampere

joule/volt

⇒ When sources of different frequencies feed a network the only method of solution is superposition theorem.

TRUE

FALSE

⇒ As the firing of a thyristor is delayed, the output voltage of a controlled rectifier decreases.

TRUE

FALSE

⇒ An 8-bit microprocessor has 16 bit address bus A

_{0}- A

_{15}. The processor addresses a 1-K byte memory chip as shown. The address range for the chi

(F00F)

_{H}TO (F40E)

_{H}

(F000)

_{H}TO (F3FF)

_{H}

(F100)

_{H}TO (F4FF)

_{H}

(F700)

_{H}TO (FAFF)

_{H}

⇒ In the circuit of figure the current through 5 Ω resistance at

*t*= 0

^{+0.1666666666666672.5 A3.1 A0}

⇒ For frequency up to 1650 kHz, the transmitting antenna is used a

parabolic dish

vertical antenna

yagi antenna

turnstile antenna

⇒ A transmission line has primary constants R, L, G and C and secondary constant

*z*

_{0}and γ = (a + Jβ). If the line is loss less, then

R = 0, G ≠ 0, and a = 0

R = 0, G = a, 0 and β = |r|

G = 0, a = β

R = 0, G = 0, a = 0, β = |r|

⇒ Which one is time invariant system?

*y*[

*n*] =

*x*[2

*n*]

*y*[

*n*] =

*x*[

*n*]

*x*[

*n*- 1]

*y*[

*n*] =

*x*[

*n*/2]

all

⇒ The poles and zeros of a positive real functions are real or occur in conjugate pair.

TRUE

FALSE

⇒ A microwave junction is matched at all ports if the S matrix

has all diagonal elements zero

has all diagonal elements equal but not zero

has all diagonal elements complex

is Hermitian

⇒ When a series RL circuit having power factor angle 0 is switched on to an ac voltage V

_{m}sin (ω

*t*+ Φ), the transient term is zero if Φ = 0.

TRUE

FALSE