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Q1. | Loss angle of a good quality cable is about |

A. | 1° [Correct Answer] |

B. | 30° [Wrong Answer] |

C. | 70° [Wrong Answer] |

D. | 90° [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 :**

⇒ If a driving point function N(

*s*) =

*p*(

*s*)/

*q*(

*s*), then

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by zero only

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ by one at the most

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by two at the most

the terms of lowest degree in

*p*(

*s*) and

*q*(

*s*) may differ in degree by three at the most

⇒ In a self bias circuit for CE amplifier, the emitter resistance is made three times the original value. The collector current will

remain the same

become three times

decrease

become one-third

⇒ Which of the following is true?

SOP is a two level logic

POS is a two level logic

Both SOP and POS are two level logic

Hybrid function is two level logic

⇒ In log magnitude Bode diagram the slope of high frequency asymptote of (1 +

*j*ωT) is

20 dB per decade

10 dB per decade

20 dB per octave

10 dB per octave

⇒ Assuming accumulator contain A 64 and the carry is set (1).What will register A and (CY) contain after RAR?

4 DH, 0

D 3H, 0

4 DH, 1

53 H, 0

⇒ Which of the following is a disadvantage of Vestigial Sideband (VSB) system?

Low video frequencies are attenuated

Bandwidth is conserved resulting in a saving of 2 MHz per channel over DSB system

It results in a power boost of two video frequencies

It possess the advantages of both DSB and SSB system

⇒ Z

_{0}= (Z

_{oc}Z

_{sc})

^{0.5}

TRUE

FALSE

⇒ Consider the following instruments

- Tangent galvanometer
- Rayleigh current balance
- Household energy meter
- Hot wire ammeter

1, 2 and 3

1, 2 and 4

1 and 2

2, 3 and 4

⇒ The relational operators allowed in Pascal are

=, >, <, > =, < = and < >

=, >, < and < >

=, >, <, > = and < =

>, <, > = and < =

⇒ Self impedance is

same for transmitting (T

_{t}) and receiving antenna (T

_{r})

T

_{t}> T

_{r}

T

_{r}> T

_{t}

no relation

⇒ Which mode is called dominant mode in rectangular wave guide?

TE

_{01}

TE

_{11}

TE

_{10}

TE

_{20}

⇒ A sphere with charge Q was placed in, but not touching a larger hollow sphere. If there is any charge initially on the outer sphere; to remove it the outer sphere was earthed momentarily, and then the inner sphere was removed. The charge remaining on the outer sphere was then measured. This charge was found to be __________ to the charge on the inner sphere.

equal and of same again

equal and of opposite sign

unequal and of same sign

unequal and of opposite sign

⇒ The parameter β of a BJT change by 300%. If self bias is used in the amplifier using this BJT, the quiescent value of I

_{C}and V

_{CE}remain almost the same.

TRUE

FALSE

⇒

Match the following:

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

A. | Interface | 1. | A measure of rate of data transmission |

B. | A bit | 2. | A binary digit |

C. | Band speed | 3. | The common boundary between various sections and subsections |

4. | A/D converter |

A-3, B-2, C-1

A-3, B-1, C-2

A-2, B-4, C-1

A-4, B-2, C-3

⇒ In a semiconductor avalanche breakdown occurs when

reverse bias exceeds the limiting value

forward bias exceeds the limiting value

forward current exceeds the limiting value

potential barrier is reduced to zero

⇒ Discharge breakdown in insulators is due to voids.

TRUE

FALSE

⇒ If Z is the number of zeros of 1 + G(

*s*) H(

*s*) in the right half

*s*plane. N is the number of clockwise encircle elements of (-1 +

*jo*) point. P is the number of poles of G(

*s*) H(

*s*) in right half

*s*plane. The Nyquist stability criterion can be expressed as

Z = N + P

Z = P/N

Z = N - P

Z = PN

⇒ The Truth Table shown is f

CMO

counter

flip-flop

half adder

⇒ A heterodyne frequency changer is called a

Modulator

Mixer

Demodulator

Frequency translator

⇒ In a four variable K map eight adjacent cells give

single variable term

two variable term

three variable term

four variable term

⇒ If we manage to __________ our natural resources, we would leave a better planet for our children.

uphold

restrain

Cherish

conserve

⇒ A step up chopper can give an output voltage

higher than input voltage

lower than input voltage

both higher and lower input voltage

all of the above

⇒ In a 3 byte instruction of 8085, the first, second and third byte respectively indicate

operation code, low order byte of data/address and high order byte of data / address

low order byte of data / address, high order byte of data / address and operation code

high order byte of data / address, low order byte of data / address and operation code

high order byte of data / address, operation code and low order byte of data / address

⇒ Stability factor for S is given by for a fixed bias

1 + β

1 - β

1/β

β - 1

⇒ The open loop gain of an actual op-amp is about 100.

TRUE

FALSE

⇒ CMRR is the ratio of differential voltage gain to common mode gain.

TRUE

FALSE

⇒

**Assertion (A):** Tristate logic is used for bus oriented systems

**Reason (R):** The outputs of a tristate logic are 0, 1 and indeterminant.

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 linear displacement digital transducer generally uses

straight binary code

BCD

gray code

hexadecimal code

⇒ The elements which become superconducting at extremely low temperatures are

good conductors at room temperature

ferromagnetic at room temperature

relatively poor conductors at room temperature

insulators at room temperature

⇒ The image frequency of a superheterodyne receiver is

independent of the frequency at which the receiver is tuned

always outside the operating range of the receiver

typical to FM receivers only

not rejected by the IF tuned circuits