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Q1. | A uniform plane magnetic wave incident normally on a plane surface of a dielectric material is reflected and the percentage of reflected power is 75% What is VSWR? |

A. | 14 [Correct Answer] |

B. | 1.4 [Wrong Answer] |

C. | 15 [Wrong Answer] |

D. | 13 [Wrong Answer] |

View Answer
Explanation:-
Answer : ADiscuss 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 :**

⇒ The two port networks are connected in cascade, the combination is to be represented as a single two-Port network. The parameters of the network are obtained by multiplying the individual matrix

*z*-parameter

*h*-parameter

*y*-parameter

ABCD parameter

⇒ For an RC driving point impedance function, the poles and zeros

should alternate on real axis

should alternate only on negative real axis

should alternate on imaginary axis

none of the above

⇒ In which group of 8085 instructions condition flags are not affected?

Data transfer group

Arithmetic group

Logical group

Both (a) and (c)

⇒ A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is

16

15

8

1

⇒ A series RLC circuit is at resonance at 200 Hz. If capacitance is increased to four times, the circuit will be in resonance at

200 Hz

400 Hz

100 Hz

800 Hz

⇒ Which display device resembles vacuum tube?

LED

LCD

VF

None of these

⇒ In the signal flow graph of figure,

*y/x*equ

3

42857

2

None of the above

⇒ An I/O processor controls the flow of information between

cache memory and I/O devices

main memory and I/O devices

two I/O devices

cache and main memory

⇒ In a class C amplifier, full cycle conductor of the current is achieved by employing

tuned circuit

transformers

complementary pair

Push pull configuration

⇒ Status register in the 8156 is read with

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none of the above

⇒ In figure the voltage distribution on a vertical earthed antenna is represented

curve A

curve B

curve C

curve D

⇒ From the noise point of view, bandwidth should

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should be as large as possible

should be infinite

⇒ If INT = 50 and LOOT = 30, the result of assignment statement

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80

8

5

⇒ Mobility of electrons and holes are equal.

TRUE

FALSE

⇒ If two mutually exclusive events A and B can happen in

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TRUE

FALSE

⇒ In figure,

*i*(

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*v*(

*t*

2 V

3 V

6 V

9 V

⇒ In an

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_{GS}= V

_{GS(off)}. Then

I

_{D}is zero

I

_{D}may be zero or positive

I

_{D}is positive

I

_{D}may be zero or negative

⇒ Z transform is a non-linear operation.

TRUE

FALSE

⇒ In given figure the switch was closed for a long time before opening at

*t*= 0. The voltage V

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⇒

Match the following:

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

A. | 200 MHz | 1. | SHF |

B. | 20 GHz | 2. | UHF |

C. | 500 kHz | 3. | VHF |

D. | 500 MHz | 4. | MF |

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

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

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

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

⇒ As compared to MOS memories, bipolar memories have

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slower access time and are costly

faster access time and are cheaper

faster access time and are costly

⇒ The circuit shown in figure, will act as an ideal current source with respect to terminals A and B, when frequenc

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4 rad/s

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⇒ When a line short circuited at far end, the minimum voltage occurs at

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none of the above

⇒ Which of the following is taken as reference antenna for directive gain?

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Elementary doublet

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⇒ A network has two sources of different frequencies. The only method of analysis which can be used to find current and voltages of different branches is the use of

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⇒ Which one of the following is not a characteristic of a ferroelectric material?

High dielectric constant

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Ferroelectric characteristic only above the curie point

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⇒ In a CD, the depth and width of each pit is

0.5 μm each

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1 μm and 0.5 mm respectively

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⇒

Match the following:

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

A. | TTL | 1. | Low propagation delay |

B. | ECL | 2. | Low power consumption |

C. | MOS | 3. | High packing density |

D. | CMOS | 4. | Saturated bipolar logic |

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

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

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

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⇒ If quadratic equation

*x*

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None of the above