Q1. | In the given figure the reflection coefficient at source en |

A. | 1 [Wrong Answer] |

B. | -1 [Wrong Answer] |

C. | 42738 [Correct Answer] |

D. | -1/3 [Wrong Answer] |

View Answer
Explanation:-
Answer : CDiscuss 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 :**

⇒ If CS = A

_{15}A

_{14}A

_{13}is used as chip select logic of a 4 K RAM in 8085 system, its memory range is

3000 H - 3 FFF H

7000 H - 7 FFFH

5000 H - 5 FFF H and 6000 H - 6 FFF H

6000 H - 6 FFF H and 7000 H - 7 FFF H

⇒ If A = 3 +

*j*1, A

^{4}

100 ∠18.43°

100 ∠73.72°

10 ∠18.43°

10 ∠73.72°

⇒ A UJT exhibits negative resistance characteristics when

Current is less than valley current

Current is less than peak current

Current is more than peak current but less than valley current

None of the above

⇒ Read the following statements about Excel

- It supports many arithmetic functions like SUM, ABS, EXP, INT, MOD etc.
- It supports many trigonometric functions.
- It supports IRR function to calculate interest rate.
- It supports PV function to calculate the present value of future receipts.

All

1, 2 and 3 only

1, and 2 only

1 only

⇒

**Assertion (A):** In monolithic IC the components are part of one chip

**Reason (R):** An op-amp is a high gain dc amplifier

Both A and R are correct and R is correct explanation for A

Both A and R are correct but R is not correct explanation for A

A is correct R is wrong

A is wrong R is correct

⇒ Harmonic distortion analyser

measures amplitude of each harmonic

measures rms value of fundamental frequency component

measures rms value of all harmonics except fundamental frequency

displays rms value of each harmonic on screen of CRO

⇒ If a line is open circuited Z

_{in}= Z

_{0}tanh (g

*l*).

TRUE

FALSE

⇒ Hari (H), Gita (G), Irfan (I) and Saira (S) are sibiligs (i.e. brothers and sisters). All were born on 1st January. The age difference between any two successive siblings (that is born one after another) is less than 3 years. Given the following fa

HSIG

SGHI

IGSH

IHSG

⇒ The name field effect is related to the __________ layers of a JFET.

depletion

drain

source

gate

⇒ PAM stands for

Phase Angle Modulation

Phase Amplitude Modulation

Pulse Amplitude Modulation

Pulse Angle Modulation

⇒ To bypass a 100 ohm emitter resistor at

10 μF

100 μF

1000 μF

1 μF

⇒ In an amplifier, if the output current flows for 120° of the input cycle, the class of amplifier will be

A

B

C

AB

⇒ When two 16-input multiplexers drive a 2-input MUX, what is the result?

2-input MUX

4-input MUX

16-input MUX

32 input MUX

⇒ A second order system exhibits 100% overshoot. The damping ratio is

0

1

< 1

> 1

⇒ Computer ICs work reliably because

they are based on two state design

these are made from pure silicon

these are maintained at two temperatures

none of the above

⇒ The transfer function V

_{2}/V

_{1}for figure

a zero at origin

a zero at infinity

no zero

a zero at

*j*1

⇒ A + AB =

A

A

A + B

A + B

⇒ For the time domain response shown in figure the

lies on negative real axis

lies on positive real axis

lies on imaginary axis

is complex or imaginary

⇒ If N = 196, the result of the following program will be

16

16

196

⇒ A LASCR has

4 semiconductor layers and 3 junctions

3 semiconductor layers and 2 junctions

2 semiconductor layers and 2 junctions

any of these depending on the rating

⇒

**Assertion (A):** In Figure, the intercept of the line on *y*-axis is equal to *N* (a_{e} + a_{i}), where *N* is number of atoms/m^{3}, a_{e} is electronic polarizability and a_{i} is ionic polarizability.

**Reason (R):** a_{e} and a_{i} are independent of temperatu

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 but R is false

A is false but R is true

⇒ The thermionic emission current is given by

Fermi-Dirac distribution

Maxwell's equation

Richardson Dushman equation

Langmuir Child law

⇒ A branched duplexer requires

TR tubes

ATR tube

both TR and ATR tube

none of the above

⇒ The properties of JFET resemble those of

thermionic values

N-P-N transistors

P-N-P transistors

unijunction transistor

⇒ A resistance strain gauge has a resistance of about

100 Ω

25 Ω

10 Ω

1 Ω

⇒ V_{R} at *t* < T, *t* = &in

500*e*^{-40x104t}, 0

100*e*^{-40x103t}, 0

100*e*^{-40x106t}, 0

100*e*^{-40x104t}, 0

⇒ A generator is feeding power to a transmission line of characteristic impedance Z_{0}. The line is terminated in impedance Z_{L}. Standing waves will be set up if

Z_{L} = Z_{0}

Z_{L} < Z_{0}

Z_{L} > Z_{0}

both (b) and (c)

⇒

List I (Memories) | List II (Characteristic) | ||
---|---|---|---|

A. | Static PLA | 1. | erasable, programmable |

B. | CCD | 2. | ultra high speed |

C. | ECL | 3. | stores large volume of data |

D. | GAL | 4. | Does not need refreshing |

5. | Non-volatile |

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

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

A-5, B-1, C-2, D-3

A-3, B-5, C-2, D-1

⇒ If the ladder reference voltage is 2 V, then minimum comparator resolution required is

0.125 V

1.25 V

12.5 V

0

⇒ Polarization is a measure of

dielectric constant per unit volume

voltage gradient to produce electrical breakdown

product of charge and distance

excess charge density