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Q1. | ∈_{r} is determined by the atomic structure of the dielectric. |

A. | TRUE [Correct Answer] |

B. | FALSE [Wrong Answer] |

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

⇒ Digital circuits mostly use

Diodes

Bipolar transistors

Diodes and bipolar transistors

Bipolar transistors and FETs

⇒ The voltage

*e*

_{0}in the fi

48 V

24 V

36 V

28 V

⇒ N-channel FETs are superior to

*p*-channel FETs because

mobility of electrons is smaller than that of holes

mobility of electrons is greater than that of holes

they consume less power

they have high switching time

⇒ Point out the false statement

impulse noise voltage does not depend on bandwidth

thermal noise is independent of frequency at which it is measured

industrial noise is mostly of impulse type

space noise is observable at frequencies in the range of 8 MHz and higher

⇒ If

*f*(

*t*) = 1, F(

*j*ω) =

2p

p

2pδ (p)

pδ (ω)

⇒ Top loading in an antenna increases

effective height

beam width

input capacitance

bandwidth

⇒ In an

*n*channel JFET, the gate is

*n*type

*p*type

either

*n*or

*p*

partially

*n*& partially

*p*

⇒ The parameter

*h*

_{11}for CB circuit is higher than that for CE circuit.

TRUE

FALSE

⇒ Consider the following

`ON GO TO`

statement in Ba10, 20, 30, 20 respectively

10, 20, 20, 30 respectively

20, 30, 20, 10 respectively

10, 30, 20, 20 respectively

⇒ In a NAND SR latch S = 0, R = 1 then

Q = 0

Q = 1, Q = 0

it is race condition

none of the above

⇒ The binary number 101100.110 in octal number will be

152.6

154.6

145.6

174.6

⇒ The earliest uses of electromagnetic waves were

point to point communication

radar

both (a) and (b)

neither (a) nor (b)

⇒ Find the Fourier transform of the half cosine pulse as shown bel

0.5 {sin

*c*[0.25(

*f*- 1)] + sin

*c*[2.5(

*f*+ 1)]}

0.5 {sin

*c*[0.5(

*f*- 1)] + sin

*c*[0.5(

*f*+ 1)]}

0.25 {sin

*c*[0.25(

*f*- 1)] + sin

*c*[0.25 (

*f*- 1)]}

0.25 {sin

*c*[0.5(

*f*- 1)] + sin

*c*[0.5(

*f*- 1)]}

⇒ While selecting a memory chip the feature which should be examined is

capacity

ac characteristics

dc characteristics

all of the above

⇒ A linear discrete time system has the char. equation

*z*

^{3}- 0.81

*z*= 0, the system is

stable

marginally stable

unstable

stability cannot be assessed from the given information

⇒ Which of the following READ statements is correct in FORTRAN 77?

`READ *, HONEY (I), I = 1, 5 `

`READ *, (HONEY (I), I = 1, 5)`

`READ * HONEY I, I = 1, 5`

`READ HONEY I, I = 1, 5`

⇒ Each cell of a static Random Access memory contains

6 MOS transistor

4 MOS transistor, 2 capacitor

2 MOS transistor, 4 capacitor

1 MOS transistor and 1 capacitor

⇒ In binary data transmission DPSK is preferred to PSK because

a coherent carrier is not required to the generated at the receiver

for a given energy per bit, the probability for zero is less

the 180° phase shifts of the carrier

more protection is provided against impulse noise

⇒ In the figure shown, A

_{1}, A

_{2}, A

_{3}are identical Ammeters. If A

_{1}and A

_{3}read 5 and 13 A respectively, reading of A

_{2}wil

8

13 A

18

0

⇒ A binary ladder network D/A converter requires

resistors of one value only

resistors of many different values

resistors of two different values

none of the above

⇒ In one's complement 8 bit representation 11111111 represents

0

0

1

-1

⇒ A heavily doped semiconductor exhibits a __________ such a device is called sensistors.

negative temperature coefficient of resistance

positive temperature coefficient of resistance till a particular value of temperature and then it shown negative temperature coefficient of resistance

positive temperature coefficient of resistance

none of the above

⇒

Match the following:

List I (Electron spin) | List II (Phenomenon) | ||
---|---|---|---|

A. | ↑↑↑↑ | 1. | Antiferromagnetism |

B. | ↑↓↑↓ | 2. | Ferrimagnetism |

C. | ↑↓↑↓ | 3. | Ferromagnetism |

A-1, B-2, C-3

A-3, B-2, C-1

A-2, B-3, C-1

A-3, B-1, C-2

⇒ The number of cells in a 4 variable K map is

16

8

4

32

⇒ A JFET can operate on

enhancement mode only

depletion mode only

both depletion as well as enhancement modes

neither depletion nor enhancement mode

⇒ All network theorems of dc are applicable to ac also with different quantities taken as phasors.

TRUE

FALSE

⇒ Bridge circuits using RTD in temperature measurement usually employ 3 lead system so as to obtain

higher sensitivity

better impedance matching

compensation for signal wire resistance

reduction in power consumption

⇒ The output of a full adder is

SUM

CARRY

SUM and CARRY

none of the above

⇒ If word length is 16 bits the decimal equivalent of largest number which can be stored is

32767

32766

16383

16384

⇒ In a waveguide if TE mode exist for

*z*direction propagation, then

E

_{z}= 0, H

_{z}≠ 0

E

_{z}= 0, H

_{z}= 0

E

_{z}≠ 0, H

_{z}= 0

E

_{z}≠ 0, H

_{z}≠ 0